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Physics / University Physics 13 / Chapter 6 / Problem 81P

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

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A 2.50-kg textbook is forced against a horizontal spring

Chapter 3, Problem 81P

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QUESTION:

A 2.50-kg textbook is forced against a horizontal spring of negligible mass and force constant 250 N/m, compressing the spring a distance of 0.250 m. When released, the textbook slides on a horizontal tabletop with coefficient of kinetic friction µk = 0.30. Use the work–energy theorem to find how far the text-book moves from its initial position before it comes to rest.

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QUESTION:

A 2.50-kg textbook is forced against a horizontal spring of negligible mass and force constant 250 N/m, compressing the spring a distance of 0.250 m. When released, the textbook slides on a horizontal tabletop with coefficient of kinetic friction µk = 0.30. Use the work–energy theorem to find how far the text-book moves from its initial position before it comes to rest.

ANSWER:

Solution 81P Step 1: Given data: Mass of text book m = 2.50 kg. Force constant k = 250 N/m Spring distance x = 0.250 m. Coefficient of kinetic friction k = 0.30

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