Conceptual Physics (12th Edition)

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

Chapter 21 - Think and Explain: 44

Answer

60 cm.

Work Step by Step

In the diagram, one and a half complete sine wave cycles are shown, and they fit into a length of 90 cm. The distance between identical points in the wave is 2/3 the length shown. $$ \frac{2}{3}(90 cm) = 60 cm$$
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