Explanation Given Info: According to work energy theorem the work done by the force is converted to the kinetic energy. The work done by the force is 60.0 J and mass of the block is 5.00 kg . Write the formula to calculate kinetic energy of the block. K E 1 = 1 2 m v 1 2 K E 1 is the kinetic energy of the block m is the mass of the block v 1 is the velocity of the block Equate the above expression to work done to write in terms of v 1 . 1 2 m v 1 2 = 60.0 J Substitute 5.00 kg for m to calculate v 1 . 1 2 ( 5.00 kg ) v 1 2 = 60.0 J v 1 2 = 120.0 J 5.00 kg v 1 = 24 = 4.89 m / s Write the formula to calculate kinetic energy of the block. K E 2 = 1 2 m v 2 2 K E 2 is the kinetic energy of the block v 2 is the velocity of the block Equate the above expression to work done to write in terms of v 2 . 1 2 m v 2 2 = 80.0 J Substitute 5.00 kg for m to calculate v 2

Bundle: College Physics, Loose-Leaf Version, 10th, + WebAssign Printed Access Card for Serway/Vuille's College Physics, 10th Edition, Multi-Term

10th Edition

ISBN: 9781305367395

Author: Raymond A. Serway, Chris Vuille

Publisher: Cengage Learning

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Chapter 5, Problem 5WUE

To determine

The velocity of the block in each case.

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Chapter 5 Solutions

Bundle: College Physics, Loose-Leaf Version, 10th, + WebAssign Printed Access Card for Serway/Vuille's College Physics, 10th Edition, Multi-Term

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The velocity of the block in each case.

Solution Summary: The author explains how the work done by the force is converted to the kinetic energy.

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The velocity of the block in each case.

Chapter 5 Solutions