College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 3 - Motion in Two Dimensions - Learning Path Questions and Exercises - Conceptual Questions - Page 96: 15

Answer

(a) zero (b) $4\,m/s$

Work Step by Step

(a) The student is at the same place on the gym floor. So, with respect to it, his relative velocity is zero. (b) The treadmill is moving at $4\,m/s$. As the student walks on it, her relative speed is $4\,m/s$.
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