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P. 4190. A cube shaped room of sides 4 m is heated by a stove of power 6 kW. The outside temperature is -10 oC. To what temperature will the room be heated if the coefficient of heat transfer is 2.1 \frac{\rm W}{\rm m^2~{}^\circ \rm C}?

(4 points)

Deadline expired on 10 November 2009.

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

Megoldás. Kb. &tex;\displaystyle +20\,^\circ&xet;C-ra melegszik fel a helyiség.

Statistics on problem P. 4190.
165 students sent a solution.
4 points:151 students.
3 points:8 students.
2 points:1 student.
1 point:1 student.
Unfair, not evaluated:4 solutions.

  • Problems in Physics of KöMaL, October 2009

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