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?
Deadline expired on December 11, 2006.
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.