8. A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50 times the speed of sound. Assume the speed of sound in air is 343 ms. a) b) What is the observed frequency if the observer moves toward the source? Repeat if the observer moves away from the source instead. [1.5 kHz; 500 Hz]

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter17: Sound
Section: Chapter Questions
Problem 60P: A sound wave traveling in air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?
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8.
A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling
at 0.50 times the speed of sound. Assume the speed of sound in air is 343 ms.
a)
b)
What is the observed frequency if the observer moves toward the source?
Repeat if the observer moves away from the source instead.
[1.5 kHz; 500 Hz)
Transcribed Image Text:8. A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50 times the speed of sound. Assume the speed of sound in air is 343 ms. a) b) What is the observed frequency if the observer moves toward the source? Repeat if the observer moves away from the source instead. [1.5 kHz; 500 Hz)
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