Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 9 - Section 9.2 - Momentum - Conceptual Example - Page 151: 9.1

Answer

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Work Step by Step

There is no outside force doing work and no energy lost to friction, so it follows that the initial and final momentums of the system must be equal. The kayak is initially at rest. Thus, we find that the only way for momentum to be conserved is for the kayak to end at rest as well.
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