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Physics, 20.10.2019 05:00 brmoen1392

Atwig from a tree drops from a 200m high cliff on to a beach below. during its fall 40% twig's energy is converted into thermal energy. what is the speed with which the twig hits the beach?

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Atwig from a tree drops from a 200m high cliff on to a beach below. during its fall 40% twig's energ...

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