College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 6 - Linear Momentum and Collisions - Learning Path Questions and Exercises - Exercises - Page 215: 3

Answer

(a) $85.2Kg\cdot m/s$ (b) $108000Kg \cdot Km/h$

Work Step by Step

(a) We know that the linear momentum can be calculated as follows: $p=mv$ We plug in the known values to obtain: $p=7.1\times 12=85.2Kg\cdot m/s$ (b) We know that $p=mv$ We plug in the known values to obtain: $p=1200\times 90=108000Kg \cdot Km/h$
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