Mathematical and Physical Journal
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Problem P. 4492. (December 2012)

P. 4492. A sample of monatomic ideal gas is taken through the cyclic process shown in the figure. The temperature of the gas at state A is TA=180 K. What is the temperature of the gas at state C if the efficiency of the heat engine of this cyclic process is \eta=2/9?

(4 pont)

Deadline expired on January 10, 2013.


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

Megoldásvázlat. \(\displaystyle T_C=1620\) K.


Statistics:

66 students sent a solution.
4 points:52 students.
3 points:1 student.
2 points:5 students.
1 point:6 students.
Unfair, not evaluated:2 solutions.

Problems in Physics of KöMaL, December 2012