A frictionless pulley has the shape of a uniform solid disk of mass 2.50 kg and radius

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A frictionless pulley has the shape of a uniform solid disk of mass 2.50 kg and radius 20.0 cm. A 1.50-kg stone is attached to a very light wire that is wrapped around the rim of the pulley (Fig. E9.47), and the system is released from rest.

(a) How far must the stone fall so that the pulley has 4.50 J of kinetic energy?

(b) What percent of the total kinetic energy does the pulley have?

Figure 9.47:

2.50-kg pulley | 1.50-kg stone

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University Physics with Modern Physics

ISBN: 978-0321696861

13th edition

Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford

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Question Posted: Jul 07, 2018 08:36 AM

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A frictionless pulley has the shape of a uniform solid disk of mass 2.50 kg and radius

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2.50-kg pulley | 1.50-kg stone

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Identify Apply conservation of energy to the system of stone plus pulley v r rela...View the full answer

University Physics with Modern Physics

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