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 2 - Kinematics in One Dimension - Conceptual Questions - Page 58: 4

Answer

a. The speed of object A is faster than the speed of object B at t = 1 s. b. The speed of object A is faster than the speed of object B at all times t.

Work Step by Step

a. At time t = 1 s, the slope of graph A is larger than the slope of graph B. Therefore, the speed of object A is faster than the speed of object B at time t = 1 s. b. The slope of graph A is constant and the slope of graph B is constant, so the speeds of both objects are constant. The slope of graph A is larger than the slope of graph B. Therefore the speed of object A is faster than the speed of object B at all times t.
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