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critical-point
ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
4 APR 2005 PAGE 1
Descendants of John Roper-269977 4 Apr 2005 Page 1 1. John Roper-269977 (b.Abt 1796-Winston,,Suffolk,England) sp: Sarah Southgate-269978 (m.25 Nov 1818) RHEEM HYBRID (HEAT PUMP) HOT WATER HEATERS Roper Installation of Rheem Hybrid 80-Gallons Hot Water Heater Our 1983 State Electric 80-gallons HWH started leaking near the top in November 2017, so we had it replaced on 21 VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
4 APR 2005 PAGE 1
Descendants of John Roper-269977 4 Apr 2005 Page 1 1. John Roper-269977 (b.Abt 1796-Winston,,Suffolk,England) sp: Sarah Southgate-269978 (m.25 Nov 1818) RHEEM HYBRID (HEAT PUMP) HOT WATER HEATERS Roper Installation of Rheem Hybrid 80-Gallons Hot Water Heater Our 1983 State Electric 80-gallons HWH started leaking near the top in November 2017, so we had it replaced on 21 ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families orWORLD PEAK FISHING
World Peak Fishing. L. David Roper http://www.roperld.com/personal/roperldavid.htm 5 April, 2016. Contents. Introduction; Fishing Data; Fit to the Data; Fish Farming ZAP XEBRA PK OF L. DAVID ROPER ZAP Xebra PK Pickup Truck (Sun Roper) of L. David Roper. Electric cars. http://www.ZAPworld.com. Chinese manufacturer of the ZAP Xebra. ZAP slide show. http://www ROPER HIGHLANDER HYBRID PLUG-IN-SUPPLY CONVERSION Timetable. 18 Jan 2013: Ordered the ~7.2-kWh plug-in system from Plug-In Supply systems.; 21 Jan 2013: 108 HeadWay HW40152S 15-Ah 10C 3.2-volts LiFePO 4 cells ordered by Plug-In Supply.; 30 Jan 2013: Had a battery and inverter health check at Shelor Toyota ($95) and theyare healthy.
USA FOUNDING FATHERS' DNA USA Founding Fathers' DNA (www.roperld.com) mailto:roperld@vt.edu. Contents. Introduction; Founding Fathers' DNA; Benjamin Franklin's DNA; Thomas Jefferson's DNA PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. U.S. NATIONAL DEBT AND POLITICAL PARTIES This shows the change in U.S. Federal Debt from year to year for the years 1901-1928 compared to presidential terms (Dem=1, Rep=0) and Democratic control index of the federal government (see below for definition).Of course, the large increase in the change is during WWI.
MYSTERIOUS MEREDITH ROPER (Published in Burke County Genealogical Society Journal) The Mysterious Meredith/ Meriday Roper in NC L. David Roper roperld@vt.edu (www.roperld.com) February 8, 19981CRUDE OIL DEPLETION
The red curve is for a final amount of extraction equal to the amount already extracted plus the Energy Information Agency estimate of reserves (about 750x10 12 ft 3).The blue curve is for a final amount of extraction equal to the amount already extracted plus the resources estimate given in Technology Review, Nov/Dec 2009. p 46 (2074x10 12 ft 3), which includes the dubious estimate of DESCENDANTS OF WILLIAM ROPERDESCENDANTS OF WILLIAM ROPER Descendants of William RoperDescendants of William Roper----2267622676 6 Feb 2011 Page 5 15. Helen Mae Waughop-221262 (b.2 Jul 1903-Washington,Tazewell,Il) VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. PRIORITIES IN A SOCIETY PRIORITIES IN A SOCIETY (published in Bulletin of the Menninger Clinic, v.35, No.1, Jan 1971, pp42-49.) L. David Roper, Ph.D. Associate Professor of Physics, Virginia BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
SOLAR COLLECTORS ORIENTATION 3 Example To get an approximate value of the energy (kWh) for each month collected by a particular collector system multiply by 1 kW for each m 2 of the collector system. Actually, the factor should be about I = π/4 ~ 0.785 kW/m , the ratio of the area ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
DESCENDANTS OF WILLIAM ROPERDESCENDANTS OF WILLIAM ROPER Descendants of William RoperDescendants of William Roper----2267622676 6 Feb 2011 Page 5 15. Helen Mae Waughop-221262 (b.2 Jul 1903-Washington,Tazewell,Il) VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. PRIORITIES IN A SOCIETY PRIORITIES IN A SOCIETY (published in Bulletin of the Menninger Clinic, v.35, No.1, Jan 1971, pp42-49.) L. David Roper, Ph.D. Associate Professor of Physics, Virginia BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
SOLAR COLLECTORS ORIENTATION 3 Example To get an approximate value of the energy (kWh) for each month collected by a particular collector system multiply by 1 kW for each m 2 of the collector system. Actually, the factor should be about I = π/4 ~ 0.785 kW/m , the ratio of the area ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
DESCENDANTS OF WILLIAM ROPERDESCENDANTS OF WILLIAM ROPER Descendants of William RoperDescendants of William Roper----2267622676 6 Feb 2011 Page 5 15. Helen Mae Waughop-221262 (b.2 Jul 1903-Washington,Tazewell,Il) L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. ROPER HIGHLANDER HYBRID PLUG-IN-SUPPLY CONVERSION Timetable. 18 Jan 2013: Ordered the ~7.2-kWh plug-in system from Plug-In Supply systems.; 21 Jan 2013: 108 HeadWay HW40152S 15-Ah 10C 3.2-volts LiFePO 4 cells ordered by Plug-In Supply.; 30 Jan 2013: Had a battery and inverter health check at Shelor Toyota ($95) and theyare healthy.
ZAP XEBRA PK OF L. DAVID ROPER ZAP Xebra PK Pickup Truck (Sun Roper) of L. David Roper. Electric cars. http://www.ZAPworld.com. Chinese manufacturer of the ZAP Xebra. ZAP slide show. http://www SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks GENERAL RELATIVITY MATHEMATICS General Relativity Mathematics L. David Roper, roperld@vt.edu Introduction A contravariant vector is one which transforms like wherex dx v
WHEN WILL ALL CARS WILL BE ELECTRIC? The current ratio of cars to population is about 0.1. It appears that the final asymptotic population of the world will be about 10 billion , assuming that the population does not collapse.I assume that the ratio of cars to population will asymptotically be about 0.2; so the asymptotic number of cars would be 2 billion. RHEEM HYBRID (HEAT PUMP) HOT WATER HEATERS Roper Installation of Rheem Hybrid 80-Gallons Hot Water Heater Our 1983 State Electric 80-gallons HWH started leaking near the top in November 2017, so we had it replaced on 21 COMPARISON OF GASOLINE COMBUSTION AND HYDROGEN FUEL-CELL Comparison of Gasoline Combustion and Hydrogen Fuel-Cell Energy Production Water Pollution Introduction Idealize gasoline to be octane: C 8H 18.When octane combusts O 2 is taken from the air and the following reactions hold: VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. PRIORITIES IN A SOCIETY PRIORITIES IN A SOCIETY (published in Bulletin of the Menninger Clinic, v.35, No.1, Jan 1971, pp42-49.) L. David Roper, Ph.D. Associate Professor of Physics, Virginia BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
SOLAR COLLECTORS ORIENTATION 3 Example To get an approximate value of the energy (kWh) for each month collected by a particular collector system multiply by 1 kW for each m 2 of the collector system. Actually, the factor should be about I = π/4 ~ 0.785 kW/m , the ratio of the area ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
DESCENDANTS OF WILLIAM ROPERDESCENDANTS OF WILLIAM ROPER Descendants of William RoperDescendants of William Roper----2267622676 6 Feb 2011 Page 5 15. Helen Mae Waughop-221262 (b.2 Jul 1903-Washington,Tazewell,Il) VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. PRIORITIES IN A SOCIETY PRIORITIES IN A SOCIETY (published in Bulletin of the Menninger Clinic, v.35, No.1, Jan 1971, pp42-49.) L. David Roper, Ph.D. Associate Professor of Physics, Virginia BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
SOLAR COLLECTORS ORIENTATION 3 Example To get an approximate value of the energy (kWh) for each month collected by a particular collector system multiply by 1 kW for each m 2 of the collector system. Actually, the factor should be about I = π/4 ~ 0.785 kW/m , the ratio of the area ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
DESCENDANTS OF WILLIAM ROPERDESCENDANTS OF WILLIAM ROPER Descendants of William RoperDescendants of William Roper----2267622676 6 Feb 2011 Page 5 15. Helen Mae Waughop-221262 (b.2 Jul 1903-Washington,Tazewell,Il) L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. ROPER HIGHLANDER HYBRID PLUG-IN-SUPPLY CONVERSION Timetable. 18 Jan 2013: Ordered the ~7.2-kWh plug-in system from Plug-In Supply systems.; 21 Jan 2013: 108 HeadWay HW40152S 15-Ah 10C 3.2-volts LiFePO 4 cells ordered by Plug-In Supply.; 30 Jan 2013: Had a battery and inverter health check at Shelor Toyota ($95) and theyare healthy.
ZAP XEBRA PK OF L. DAVID ROPER ZAP Xebra PK Pickup Truck (Sun Roper) of L. David Roper. Electric cars. http://www.ZAPworld.com. Chinese manufacturer of the ZAP Xebra. ZAP slide show. http://www SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks GENERAL RELATIVITY MATHEMATICS General Relativity Mathematics L. David Roper, roperld@vt.edu Introduction A contravariant vector is one which transforms like wherex dx v
WHEN WILL ALL CARS WILL BE ELECTRIC? The current ratio of cars to population is about 0.1. It appears that the final asymptotic population of the world will be about 10 billion , assuming that the population does not collapse.I assume that the ratio of cars to population will asymptotically be about 0.2; so the asymptotic number of cars would be 2 billion. RHEEM HYBRID (HEAT PUMP) HOT WATER HEATERS Roper Installation of Rheem Hybrid 80-Gallons Hot Water Heater Our 1983 State Electric 80-gallons HWH started leaking near the top in November 2017, so we had it replaced on 21 COMPARISON OF GASOLINE COMBUSTION AND HYDROGEN FUEL-CELL Comparison of Gasoline Combustion and Hydrogen Fuel-Cell Energy Production Water Pollution Introduction Idealize gasoline to be octane: C 8H 18.When octane combusts O 2 is taken from the air and the following reactions hold: VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
CRUDE OIL DEPLETION
The red curve is for a final amount of extraction equal to the amount already extracted plus the Energy Information Agency estimate of reserves (about 750x10 12 ft 3).The blue curve is for a final amount of extraction equal to the amount already extracted plus the resources estimate given in Technology Review, Nov/Dec 2009. p 46 (2074x10 12 ft 3), which includes the dubious estimate of RHEEM HYBRID (HEAT PUMP) HOT WATER HEATERS Roper Installation of Rheem Hybrid 80-Gallons Hot Water Heater Our 1983 State Electric 80-gallons HWH started leaking near the top in November 2017, so we had it replaced on 21 VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
CRUDE OIL DEPLETION
The red curve is for a final amount of extraction equal to the amount already extracted plus the Energy Information Agency estimate of reserves (about 750x10 12 ft 3).The blue curve is for a final amount of extraction equal to the amount already extracted plus the resources estimate given in Technology Review, Nov/Dec 2009. p 46 (2074x10 12 ft 3), which includes the dubious estimate of RHEEM HYBRID (HEAT PUMP) HOT WATER HEATERS Roper Installation of Rheem Hybrid 80-Gallons Hot Water Heater Our 1983 State Electric 80-gallons HWH started leaking near the top in November 2017, so we had it replaced on 21 ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or PRIORITIES IN A SOCIETY PRIORITIES IN A SOCIETY (published in Bulletin of the Menninger Clinic, v.35, No.1, Jan 1971, pp42-49.) L. David Roper, Ph.D. Associate Professor of Physics, VirginiaWORLD PEAK FISHING
World Peak Fishing. L. David Roper http://www.roperld.com/personal/roperldavid.htm 5 April, 2016. Contents. Introduction; Fishing Data; Fit to the Data; Fish Farming SILVER DEPLETION INCLUDING RECYCLING Silver Depletion Including Recycling. L. David Roper http://www.roperld.com/personal/RoperLDavid.htm 18 April, 2018. Silver has been used for making currency coins MYSTERIOUS MEREDITH ROPER (Published in Burke County Genealogical Society Journal) The Mysterious Meredith/ Meriday Roper in NC L. David Roper roperld@vt.edu (www.roperld.com) February 8, 19981 USA FOUNDING FATHERS' DNA USA Founding Fathers' DNA (www.roperld.com) mailto:roperld@vt.edu. Contents. Introduction; Founding Fathers' DNA; Benjamin Franklin's DNA; Thomas Jefferson's DNA ZAP XEBRA PK OF L. DAVID ROPER ZAP Xebra PK Pickup Truck (Sun Roper) of L. David Roper. Electric cars. http://www.ZAPworld.com. Chinese manufacturer of the ZAP Xebra. ZAP slide show. http://www GENERAL RELATIVITY MATHEMATICS General Relativity Mathematics L. David Roper, roperld@vt.edu Introduction A contravariant vector is one which transforms like wherex dx v
PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes.CRUDE OIL DEPLETION
The red curve is for a final amount of extraction equal to the amount already extracted plus the Energy Information Agency estimate of reserves (about 750x10 12 ft 3).The blue curve is for a final amount of extraction equal to the amount already extracted plus the resources estimate given in Technology Review, Nov/Dec 2009. p 46 (2074x10 12 ft 3), which includes the dubious estimate ofWORLD PEAK FISHING
World Peak Fishing. L. David Roper http://www.roperld.com/personal/roperldavid.htm 5 April, 2016. Contents. Introduction; Fishing Data; Fit to the Data; Fish Farming VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill VIRGINIA ROPER FAMILIES DATES AND EVENTS www.roperld.com. Virginia Roper Families Dates and Events (1600-1799) Date. County. Name. Event(s) 1615 . 1616 . 1617 . 1618. James Island. Roper, Phillip. immigrant PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
WORLD PEAK FISHING
World Peak Fishing. L. David Roper http://www.roperld.com/personal/roperldavid.htm 5 April, 2016. Contents. Introduction; Fishing Data; Fit to the Data; Fish Farming VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill VIRGINIA ROPER FAMILIES DATES AND EVENTS www.roperld.com. Virginia Roper Families Dates and Events (1600-1799) Date. County. Name. Event(s) 1615 . 1616 . 1617 . 1618. James Island. Roper, Phillip. immigrant PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill USA FOUNDING FATHERS' DNA USA Founding Fathers' DNA (www.roperld.com) mailto:roperld@vt.edu. Contents. Introduction; Founding Fathers' DNA; Benjamin Franklin's DNA; Thomas Jefferson's DNA LANNING ROPER, GARDENER EXTRAORDINAIRE There is a memorial garden for Lanning Roper at the Trinity Hospice at 30 Clapham Common North Side, London SW4 ORN. The pictures below are from that garden: L. David Roper sitting in the Lanning Roper MemorialGarden, March 2005
ROPER FAMILIES IN NORFOLK ENGLAND Roper Families in Norfolk, England L. David Roper (roperld@vt.edu) (www.roperld.com) Roper families in Suffolk, England Roper familes in Kent, England Roper families in England ROPER FAMILIES IN VIRGINIA We probably will never know exactly how the early Ropers in Virginia fit together, because the St. Peter's and other meager data are notsufficient.
CRUDE OIL DEPLETION
The red curve is for a final amount of extraction equal to the amount already extracted plus the Energy Information Agency estimate of reserves (about 750x10 12 ft 3).The blue curve is for a final amount of extraction equal to the amount already extracted plus the resources estimate given in Technology Review, Nov/Dec 2009. p 46 (2074x10 12 ft 3), which includes the dubious estimate of ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
BARON TEYNHAM DESCENDANTS 3 a. Henry George Roper-Curzon 17th B. Teynham, (son of George Henry Roper-Curzon 16th B. Teynham and Elizabeth Joynes) b. 27 Dec 1822, Sevenoaks,,Kent,England. He mWORLD PEAK FISHING
World Peak Fishing. L. David Roper http://www.roperld.com/personal/roperldavid.htm 5 April, 2016. Contents. Introduction; Fishing Data; Fit to the Data; Fish Farming VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill VIRGINIA ROPER FAMILIES DATES AND EVENTS www.roperld.com. Virginia Roper Families Dates and Events (1600-1799) Date. County. Name. Event(s) 1615 . 1616 . 1617 . 1618. James Island. Roper, Phillip. immigrant PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
WORLD PEAK FISHING
World Peak Fishing. L. David Roper http://www.roperld.com/personal/roperldavid.htm 5 April, 2016. Contents. Introduction; Fishing Data; Fit to the Data; Fish Farming VIOLENT CRIME AND POLITICAL PARTIES This is a plot of the violent-crime rate (VCR) sorted by rank of the states compared to the Democratic votes and the Republican votes. (See table at end for the data.)Also shown are linear fits to the two votes. This shows visually the positive correlation of VCR with both the Republican and the Democratic votes. SHARK ATTACKS HYPOTHESIS Shark Attacks Hypothesis. L. David Roper, http://www.roperld.com/personal/roperldavid.htm 04-Apr-2016. The following graph shows the number of global shark attacks L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
PRECIPITATION RATE VERSUS LATITUDE AND LONGITUDE The fractional variation with longitude is much larger for precipitation rate than it is for precipitable water. The precipitable water versus longitude is a function of the surface air temperature versus longitude averaged over all latitudes. ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or FUEL CELLS ARE NOT POLLUTION FREE: WHERE WILL THE WATER GO? Fuel Cells are not Pollution Free: Where Will the Water Go? L. David Roper (roperld@vt.edu). One often hears that powering vehicles with hydrogen fuel cells will eliminate pollution; that their only emission is water.In this situation water may be a very dangerous pollutant. BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill VIRGINIA ROPER FAMILIES DATES AND EVENTS www.roperld.com. Virginia Roper Families Dates and Events (1600-1799) Date. County. Name. Event(s) 1615 . 1616 . 1617 . 1618. James Island. Roper, Phillip. immigrant PHYSICS OF AUTOMOBILE ROLLOVERS But, if t 8 3 h it is more effective for producing the desirable high v to decrease h (center of gravity) than to increase t (track). Classifying Automobiles for Rollover Safety A better way to rate vehicles for sideways-slipping rollovers is by calculatingcritical-point
L. DAVID ROPER HOME PAGE Background: I was born on Friday, 13 December 1935 in Shattuck, Ellis County Oklahoma.I attended grade and high school at Arnett, Oklahoma, the county seat of Ellis County, graduating in 1954.I graduated with honors from Oklahoma Baptist University (Profile In Excellence award 1985), with majors in physics and mathematics and a minor in chemistryin 1958.
ROPER/ROOPER FAMILIES OF L. DAVID ROPER Roper/Rooper families for www.roperld.com This is an incomplete list of Roper families for which I have data. Contact me if you want information about these families or BUILDING A SOLAR GREENHOUSE WITH THE SUBTERRANEAN HEATING The black material is on both sides. The outside also has "drainage panels" on top of the black material.The black material was later extended higher inside up to the bottom of the door. It is the Tuff-N-Dri water proofing system.. Of course, there are 4" perforated drain pipes covered with #57 rocks around the perimeter of the building at the footer level, taking ground water down the hill USA FOUNDING FATHERS' DNA USA Founding Fathers' DNA (www.roperld.com) mailto:roperld@vt.edu. Contents. Introduction; Founding Fathers' DNA; Benjamin Franklin's DNA; Thomas Jefferson's DNA LANNING ROPER, GARDENER EXTRAORDINAIRE There is a memorial garden for Lanning Roper at the Trinity Hospice at 30 Clapham Common North Side, London SW4 ORN. The pictures below are from that garden: L. David Roper sitting in the Lanning Roper MemorialGarden, March 2005
ROPER FAMILIES IN NORFOLK ENGLAND Roper Families in Norfolk, England L. David Roper (roperld@vt.edu) (www.roperld.com) Roper families in Suffolk, England Roper familes in Kent, England Roper families in England ROPER FAMILIES IN VIRGINIA We probably will never know exactly how the early Ropers in Virginia fit together, because the St. Peter's and other meager data are notsufficient.
CRUDE OIL DEPLETION
The red curve is for a final amount of extraction equal to the amount already extracted plus the Energy Information Agency estimate of reserves (about 750x10 12 ft 3).The blue curve is for a final amount of extraction equal to the amount already extracted plus the resources estimate given in Technology Review, Nov/Dec 2009. p 46 (2074x10 12 ft 3), which includes the dubious estimate of ELECTRIC-CAR VERSUS GASOLINE-CAR COST COMPARISON Fuel, Maintenance and Carbon-Dioxide-Emissions Reparation Cost. A BEV using renewable energy for fuel emitts no carbon-dioxide. However,usually more carbon
BARON TEYNHAM DESCENDANTS 3 a. Henry George Roper-Curzon 17th B. Teynham, (son of George Henry Roper-Curzon 16th B. Teynham and Elizabeth Joynes) b. 27 Dec 1822, Sevenoaks,,Kent,England. He m Your browser does not support frames, but you can view this web site the old fashioned way .Details
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