Determine her initial rotational inertia

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A ballet student with her arms and a leg extended spins with an initial rotational speed of 1.1 rev/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 4.2 rev/s. Determine her initial rotational inertia.

Reference no: EM13987623

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