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: 9

Answer

2500 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 nucleus was originally moving. $$ (222 u)(320 m/s) = (218 u)(280 m/s) + (4.0 u)v$$ Solve for velocity v = 2500 m/s, rounded to 2 significant figures.
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