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Physics, 22.11.2021 21:50 tuetheturtle

I need help! A man stands on a freely rotating platform with his arms extended, his rotational frequency is 0.25rev/s. But when he draws them in, his frequency is 0.80revs/s. Find the ratio of his moment of inertia in the first case to that in the second.

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I need help! A man stands on a freely rotating platform with his arms extended, his rotational fre...

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