College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 12 - Multiple-Choice Questions - Page 462: 6

Answer

The correct answer is: (b) The car driver hears $440~Hz$, but the van driver hears a lower frequency.

Work Step by Step

The car driver is moving with the source so the car driver hears a frequency of $440~Hz$. The van driver is moving away from the source at a faster speed so the van driver hears a lower frequency. The correct answer is: (b) The car driver hears $440~Hz$, but the van driver hears a lower frequency.
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