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P. 4380. At least what is the mass of the atmosphere around the Earth, if the mean radius of the Earth is 6370 km, and the average air pressure at the surface of the Earth is 100 kPa?

(3 points)

Deadline expired on 12 December 2011.

Google Translation (Sorry, the solution is published in Hungarian only.)

Megoldás. $\displaystyle 4\pi R^2\, p_{0}/g\approx 5{,}2\cdot 10^{18}$ kg.

Statistics on problem P. 4380.
 263 students sent a solution. 3 points: 196 students. 2 points: 49 students. 1 point: 15 students. 0 point: 1 student. Unfair, not evaluated: 2 solutions.

• Problems in Physics of KöMaL, November 2011

•  Támogatóink: Morgan Stanley