A 60.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of

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A 60.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 500 kg •m2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless, vertical axle through its center. The woman then starts walking around the rim clockwise (as viewed from above the system) at a constant speed of 1.50 m/s relative to the Earth.
(a) In what direction and with what angular speed does the turntable rotate?
(b) How much work does the woman do to set her and the turntable into motion?
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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