Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation

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Problem P. 4190. (October 2009)

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 pont)

Deadline expired on November 10, 2009.

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

Megoldás. Kb. $\displaystyle +20\,^\circ$C-ra melegszik fel a helyiség.

Statistics:

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 solutionss.

Problems in Physics of KöMaL, October 2009

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 solutionss.