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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 ?

(4 points)

Deadline expired on 10 November 2009.

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

Megoldás. Kb. $\displaystyle +20\,^\circ$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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