Question 61 of 168

The temperature, at which the root mean square velocity of hydrogen molecules equals their escape their escape velocity from the earth, is closest to:
$[$ Boltzmann Constant ${k}_{B}=1.38\times {10}^{-23}J/K$
Avogadro number ${N}_{A}=6.02\times {10}^{26}/kg$
Radius of Earth: $6.4\times {10}^{6}m$
Gravitational acceleration on Earth $=10m{s}^{-2}]$