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With axle and spokes of negligible mass and a thin rim, a certain bicycle wheel has a radius of 0.350

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With axle and spokes of negligible mass and a thin rim, a certain bicycle wheel has a radius of 0.350 m and weighs 37.0 N; it can turn on its axle with negligible friction. A man holds the wheel above his head with the axle vertical while he stands on a turntable that is free to rotate without friction; the wheel rotates clockwise, as seen from above, with an angular speed of 57.7 rad/s, and the turntable is initially at rest. The rotational inertia of wheel + man + turntable about the common axis of rotation is 2.10 kg ∙ m2. The man's free hand suddenly stops the rotation of the wheel (relative to the turntable). Determine the resulting
(a) Angular speed and
(b) Direction of rotation of the system.

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We denote the wheel with subscript 1 and the whole system with subscript …View the full answer


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Related Book For  answer-question
Fundamentals of Physics

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Details
Chapter # 11
Section: Problems
Problem: 91
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Question Posted: January 14, 2011 06:31:33
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