University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 6 - Work and Kinetic Energy - Problems - Exercises - Page 198: 6.68

Answer

The answer is 16,91 (m/s)

Work Step by Step

First we need to write down the kinetic energy equation, from which we can derive equation for final velocity. But we don't know the amount of energy that's been exerted on the body just yet. Because the force is not constant, we need to integrate. Finally, we can put W in the equation and find V.
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