Задача 00073.

A hammer weighing 900 g fell from the height of a nine-story building onto an iron plate weighing 3 kg and stopped. How many degrees did the plate heat up if 25% of the amount of heat released during the impact was spent on heating it? Take the height of the floor to be 3 m.

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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