Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 9 - Work and Kinetic Energy - Exercises and Problems: 1

Answer

The bullet has the larger kinetic energy.

Work Step by Step

We can find the kinetic energy of the bullet. $KE = \frac{1}{2}mv^2$ $KE = \frac{1}{2}(0.010~kg)(500~m/s)^2$ $KE = 1250~joules$ We can find the kinetic energy of the bowling ball. $KE = \frac{1}{2}mv^2$ $KE = \frac{1}{2}(10~kg)(10~m/s)^2$ $KE = 500~joules$ The bullet has the larger kinetic energy.
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