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At what temperature , will the rms speed...

At what temperature , will the rms speed of oxygen molecules be sufficient for escaping from the earth ? Take `m = 2.76 xx 10^(-26) kg, k = 1.38 xx 10^(-23) J//K and v_(e) = 11.2 km//s`.

A

`2.508xx10^4K`

B

`8.360xx10^4K`

C

`5.016xx10^4K`

D

`1.254xx10^4K`

Text Solution

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The correct Answer is:
B
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