Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 9 - Center of Mass and Linear Momentum - Questions - Page 245: 2a

Answer

ac, bc, dc

Work Step by Step

Velocity is a vector value. For a system to be stationary, resultant sum of these vectors must be 0. To pair two particles into a system, the component velocities must be equal in magnitude, opposite in direction. So, the possible pairings are ac, bc, dc.
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