Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 9 - Exercises and Problems - Page 171: 27

Answer

The second truck was not breaking the law.

Work Step by Step

We know that momentum is conserved. Thus: $(m+9300)(27,000)=65,000m \\ m = 6600\ kg $ The second truck was not breaking the law.
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