Задача 10211.

An athlete weighing 75 kg pulled on the bar 20 times. The height of each pull is 0.5 m. Assuming that muscle efficiency of the system is to determine the amount of 10 percent of the chemical energy providing this work. Determine the total amount of energy expended athlete.

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