Conceptual Physics (12th Edition)

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

Chapter 35 - Reading Check Questions (Comprehension): 22


Yes, the relativistic rule is consistent with the speed of light being constant.

Work Step by Step

If one of the velocities is c, the formula gives c as the speed in any frame of reference. That means that the speed of light is constant in any reference frame. A sample calculation is performed at the bottom of page 673, and this topic is discussed just beneath the calculation.
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