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P. 4428. In two containers of equal volume there are two samples of gas: Helium and Hydrogen. The samples have equal internal energy and equal number of particles. a) What is the ratio of the pressure of the gases? b) What is the ratio of the average speed of the particles?

(4 points)

Deadline expired on 10 April 2012.

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

Megoldás. $\displaystyle a)$ A nyomások aránya $\displaystyle 3:5$.

$\displaystyle b)$ A (négyzetes) átlagsebességek aránya $\displaystyle \sqrt{6/5}$.

Statistics on problem P. 4428.
 150 students sent a solution. 4 points: 60 students. 3 points: 23 students. 2 points: 41 students. 1 point: 8 students. 0 point: 11 students. Unfair, not evaluated: 7 solutions.

• Problems in Physics of KöMaL, March 2012

•  Támogatóink: Morgan Stanley