Kelvi

At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth's atmosphere? Given: Mass of oxygen molecule (m)=2.76×10−26 (m) = 2.76 \times 10^{-26} kg,, Boltzmann's constant kB=1.38×10−23 k_B = 1.38 \times 10^{-23} J K−1^{-1}

hard
Kinetic Theory
2018
physics
1. 

5.016×1045.016 \times 10^4 K

2. 

8.360×1048.360 \times 10^4 K

3. 

2.508×1042.508 \times 10^4 K

4. 

1.254×1041.254 \times 10^4 K

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