at which the root mean square velocity of hydrogen molecules equals their escape velocity from the earth

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The temperature, at which the root mean square velocity of hydrogen molecules equals their escape velocity from the earth, is closest to : [Boltzmann Constant kB=1.38×10^−23J/K Avogadro Number NA=6.02×10^26/kg Radius of Earth : 6.4×10^6m Gravitational acceleration on Earth = 10 ms^−2]
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Sep
The temperature, at which the root mean square velocity of hydrogen molecules equals their escape velocity from the earth, is closest to : [Boltzmann Constant kB=1.38×10^−23J/K Avogadro Number NA=6.02×10^26/kg Radius of Earth : 6.4×10^6m Gravitational acceleration on Earth = 10 ms^−2] at which the root mean square velocity of hydrogen molecules equals their escape velocity [...]
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Tags: at which the root mean square velocity of hydrogen molecules equals their escape velocity from the earth , is closest to : [Boltzmann Constant kB=1.38×10^−23J/K Avogadro Number NA=6.02×10^26/kg Radius of Earth : 6.4×10^6m Gravitational acceleration on Earth = 10 ms^−2] , the temperature ,