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Problem

Problem 58

Page 356

Section: Problems

Chapter 12: Sound

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Textbook Expert
Textbook ExpertVerified Tutor
10 Nov 2021

Given information

This is an example of Doppler's effect

The source velocity is'

 

The apparent frequency is,

 

The speed of sound in air is,

 

The true frequency =?  

Step-by-step explanation

Step 1.

The frequency of sound from a moving item appears to fluctuate depending on the observer's position. The sound from the stationary item is heard at a different frequency depending on whether the observer is moving toward or away from the sound source. The frequency shift is determined by the source's or observer's speed.

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