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 - Exercises - Page 101: 75


a). $(1)$ North of east b). $0.25m/s, at \,\,36.87^{\circ}$ relative with river-bank.

Work Step by Step

a). Since the swimmer is swimming north and the current is pulling him west to east, his direction is north of east. b). Magnitude of the velocity = $\sqrt (0.15^{2}+0.2^{2})=0.25m/s$ $\theta=tan^{-1}\frac{0.15}{0.2}=36.87^{\circ}$
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