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 4 - Kinematics in Two Dimensions - Stop to Think 4.1 - Page 82: 1

Answer

Multiple Choice: C 2-3 s

Work Step by Step

In the first graph, the particle is at rest from 2-3 seconds. This is shown by no change in the x direction as time increases. In the second graph, the particle is at rest from 1-3 seconds. This is shown by no change in the y direction as time increases. For a particle to be considered a rest, there must be no movement in the x or y direction. The only place where this happens is between 2-3s
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