Задача 50112.

Copper ball with a diameter d = 2 cm moved to an evacuated vessel, the wall temperature is close to absolute zero. The initial temperature T = 310 Ball ° C. To what temperature cools ball through t = 1,4 chasa? The absorption coefficient of copper 0.2.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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