Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 9 - Center of Mass and Linear Momentum - Problems - Page 251: 57a

Answer

The speed of the spring gun is $~~4.4~m/s$

Work Step by Step

We can use conservation of momentum to find the speed $v_f$ of the spring gun: $p_f = p_i$ $(240~g+60~g)~v_f = (60~g)(22~m/s)$ $v_f = \frac{(60~g)(22~m/s)}{300~g}$ $v_f = 4.4~m/s$ The speed of the spring gun is $~~4.4~m/s$
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