A skater has rotational inertia with his fists held to his chest and with his arms
Chapter 11, Problem 28(choose chapter or problem)
A skater has rotational inertia with his fists held to his chest and with his arms outstretched. The skater is spinning at 3.0 rev/s while holding a 2.5-kg weight in each outstretched hand; the weights are 76 cm from his rotation axis. If he pulls his hands in to his chest, so theyre essentially on his rotation axis, how fast will he be spinning?
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