Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 6 - Exercises and Problems: 91

Answer

c

Work Step by Step

We see that the total work done is given by the integral of power with respect to time (which is the area under the graph). This integral is maximized at 185 ms. Since the work goes to kinetic energy, we know that when the work done is maximized, the kinetic energy is maximized as well. Thus, c is the best answer.
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