Answer to Question #68240 in Mechanics | Relativity for Mai
suppose an ice skater is spinning at 0.800rev/s with her arms extended. she has a moment of inertia of 2.34kg.m2 with her arms extended and of 0.363kg.m2 with her arms close to her body with respect to the axis of rotation a) what is her angular velocity in revolutions per second after she pulls in her arms b) compare her rotational kinetic energy before and after she moves her arms. if there is a difference, explain
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