Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 7 - Impulse and Momentum - Problems: 1

Answer

69 N, directed opposite to the skater's velocity

Work Step by Step

p of skater = mv = 46(-1.2) = -55.2 Ns F of wall on skater= $\frac{p}{s}$ = $\frac{-55.2}{0.8} = -69 N F of skater on wall = 69 N
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