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Physics, 29.08.2019 16:00 chrisraptorofficial

Aballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s . as she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s .
determine her initial rotational inertia.

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Aballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s...

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