Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 6 - Think and Explain - Page 106-107: 82


The final momentum vector P is the sum of the two initial momentum vectors, each with amount of momentum p. In terms of magnitude, $P=1.41p$.

Work Step by Step

The incoming momentum vectors are perpendicular. Use the Pythagorean theorem to find the magnitude of the combined momentum. $$p^{2}+p^{2}=P^{2}$$ $$P=1.41p$$
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