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: 11

Answer

0.99 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 bullet was originally moving. $$ (0.022 kg)(240 m/s) + 0 = (0.022 kg)(150 m/s) + (2.0 kg)v$$ Solve for velocity v = 0.99 m/s, rounded to 2 significant figures.
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