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At what temperature will the average vel...

At what temperature will the average velocity of oxygen molecules be sufficient to escape from the earth. Given mass of oxygen molecule `= 5.34 xx 10^(-26) kg`. Boltzmann constant, `k = 1.38 xx 10^(-23) J "molecule"^(-1) K^(-1)`. Escape velocity of earth `= 11.0 km s^(-1)`.

A

`5.016xx10^(4)K`

B

`8.360xx10^(4)K`

C

`2.508xx10^(4) K`

D

`1. 254 xx 10 ^(4) K`

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