Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 6 - Plug and Chug - Page 104: 26

Answer

The impulse is the change in momentum. $$I = 0- (8 kg)(2 m/s) = $-16 N \cdot s$$ (Note that units of $N \cdot s = \frac{kg \cdot m}{s}$)
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