Conceptual Physics (12th Edition)

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

Chapter 19 - Think and Rank: 44

Answer

B, A, C.

Work Step by Step

The highest pitch is heard when the source is approaching the listener quickly. The next highest pitch is heard when the source is approaching the listener slowly. The lowest pitch is heard when the source is moving away from the listener.
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