Physics, 04.02.2020 08:44, azariah7

Afireman of mass 80 kg slides down a pole. when he reaches the bottom, 4.2 m below his starting point, his speed is 2.2 m/s. by how much has thermal energy increased during his slide?

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Afireman of mass 80 kg slides down a pole. when he reaches the bottom, 4.2 m below his starting poin...