Answer
13 m/s
Work Step by Step
Impulse I=$\Delta p=mv_{f}-mv_{i}=mv_{f}-m\times0$ ($v_{i}=0$ as the ball is stationary initially)
$I= mv_{f}$ or $v_{f}=\frac{I}{m}=\frac{3.2\,Ns}{0.25\,kg}=13\,m/s$
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 6 - Linear Momentum and Collisions - Learning Path Questions and Exercises - Exercises - Page 216: 21
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