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How much work is done by gravity when a pine cone (of mass 50g) falls from the top of a tree, 9 m high?
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How much work is done by gravity when a pine cone (of mass 50g) falls from the top of a tree, 9 m high?

User Natsume
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4.5 Joules. I think it'd be 4.41, but when you round it, it's 4.5.

User Brenton Alker
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