Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 7 - Linear Momentum - Problems: 3

Answer

10.2 m/s.

Work Step by Step

The momentum in the horizontal direction will be conserved. Let the positive direction be the direction in which the car was originally moving. $$(7150 kg)(15.0 m/s) + 0 = (7150 kg + 3350 kg)v$$ Solve for v = 10.2 m/s.
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