Physics, 14.01.2021 20:40, DisneyGirl11

A figure skater has a moment of inertia of 87 kgm2 with her arms extended outwards. She has a rotational velocity of 1.93 rad/s. She then draws her arms inwards giving her a new moment of inertia of 65 kgm2. What is her new angular velocity? rad/s.

How much work must she do to draw her arms inwards?

J.

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A figure skater has a moment of inertia of 87 kg*m2 with her arms extended outwards. She has a rotat...