University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 16 - Sound and Hearing - Problems - Discussion Questions - Page 537: Q16.7


See explanation.

Work Step by Step

When the tire hits the divider, it emits a sound pulse. As the tire hits one divider after another, the pulses are emitted at a certain frequency, producing a musical tone. The faster the car drives, the greater the frequency of the emitted pulses, so this phenomenon can be used to measure the car’s speed.
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