Mathematical and Physical Journal
for High Schools
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Problem P. 4349. (May 2011)

P. 4349. The gauge pressure of the tire of a car is 250 kPa at a temperature of 10 oC. How and by what amount does this gauge pressure change if the temperature increases to 25 oC? The ambient air pressure is 100 kPa the volume of the air in the tire cannot increase at this pressure.

(3 pont)

Deadline expired on June 10, 2011.

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

Megoldás. A gumiban uralkodó túlnyomás 18,6 kPa-lal nő.


86 students sent a solution.
3 points:75 students.
1 point:1 student.
0 point:9 students.
Unfair, not evaluated:1 solution.

Problems in Physics of KöMaL, May 2011