College Physics (4th Edition)

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

Chapter 7 - Problems - Page 262: 12


$F = 7.5~N$

Work Step by Step

The impulse applied to the sled is equal to the sled's change in momentum: $F~t = mv$ $F = \frac{mv}{t}$ $F = \frac{(50.0~kg)(3.0~m/s)}{20.0~s}$ $F = 7.5~N$
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