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A flat uniform circular disk has a mass of 3.00 kg and a radius of 70.0 cm. It is suspended

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A flat uniform circular disk has a mass of 3.00 kg and a radius of 70.0 cm. It is suspended in a horizontal plane by a vertical wire attached to its center. If the disk is rotated 2.50 rad about the wire, a torque of 0.0600 N ∙ m is required to maintain that orientation. Calculate
(a) The rotational inertia of the disk about the wire,
(b) The torsion constant, and
(c) The angular frequency of this torsion pendulum when it is set oscillating.

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a The rotational inertia is MR 3 00 kg 0 7…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 # 15
Section: Problems
Problem: 73
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Question Posted: January 13, 2011 02:48:37
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