A 12-g CD with a radius of 6.0 cm rotates with an angular speed of 34 rad/s.

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(a) What is its kinetic energy?

(b) If its kinetic energy is to be quadrupled, should its angular speed be doubled, quadrupled, or increased by a factor of 16?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 11:26 AM

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A 12-g CD with a radius of 6.0 cm rotates with an angular speed of 34 rad/s.

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Picture the Problem A compact disk rotates about its central axis at a constant ...View the full answer

Physics

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