Question: A 36 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 21 m. When she

A 36 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 21 m. When she is partway down the slide, at a height h2 of 14 m, she is moving at a speed of 8.4 m/s. Calculate the change in thermal energy of the system. Round to the nearest Joule.

= h 2

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