College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 3 - Multiple-Choice Questions - Page 110: 23


The correct answer is: (a) directly to the east

Work Step by Step

The correct answer is: (a) directly to the east The boy's resultant velocity vector will be the sum of the the water's velocity vector and the velocity vector of the boat. To minimize the time it takes to paddle across the river, the boy should maximize the east component of his resultant velocity vector. Therefore, the boy should head directly to the east.
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