Magyar Information Contest Journal Articles

Problem P. 3923. (November 2006)

P. 3923. In a thermally insulated container there was some water at a temperature of , then 1 kg ice at temperature was added. How much water was initially in the container if

a) there was no phase change;

b) the total amount of ice melted;

c) the total amount of water froze?

(4 pont)

Deadline expired on 11 December 2006.

Statistics:

 285 students sent a solution. 4 points: 224 students. 3 points: 12 students. 2 points: 11 students. 1 point: 13 students. 0 point: 10 students. Unfair, not evaluated: 15 solutions.

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