Mathematical and Physical Journal
for High Schools
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Problem P. 4564. (October 2013)

P. 4564. It is known that the atmospheric pressure at a height of 5.5 km is half, and at a height of 11 km is one-quarterth of the pressure measured at see-level (105 Pa). What is the density of the air at the top of a 3000 metre tall hill, at a temperature of -20 oC?

(4 pont)

Deadline expired on November 11, 2013.

Sorry, the solution is available only in Hungarian. Google translation

Megoldásvázlat. 0,95 kg/\(\displaystyle {\rm m}^3\).


125 students sent a solution.
4 points:55 students.
3 points:17 students.
2 points:28 students.
1 point:23 students.
0 point:2 students.

Problems in Physics of KöMaL, October 2013