A person stands, hands at his side, on a platform that is rotating at a rate of

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A person stands, hands at his side, on a platform that is rotating at a rate of 0.90 rev/s. If he raises his arms to a horizontal position, Fig. 8-55, the speed of rotation decreases to 0.60rev/s.

(a) Why?

(b) By what factor has his moment of inertia changed?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Oct 05, 2017 08:04 AM

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A person stands, hands at his side, on a platform that is rotating at a rate of

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a Consider the person and platform a system for angular ...View the full answer

Physics Principles with Applications

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