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
Physics (10th Edition)
by Young, David; Stadler, Shane
Published by
Wiley
ISBN 10:
1118486897
ISBN 13:
978-1-11848-689-4
Chapter 7 - Impulse and Momentum - Problems - Page 191: 1
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