A loudspeaker in a parked car is producing sound whose frequency is 21440 Hz. A healthy young person with normal hearing is standing nearby on the sidewalk but cannot hear the sound because the frequency is too high. When the car is moving away from the person, the person can hear the sound. If the speed of sound is 343 m/s, what is the minimum speed of the moving car? Number i Units

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A loudspeaker in a parked car is producing sound whose frequency is 21440 Hz. A healthy young person with normal hearing is
standing nearby on the sidewalk but cannot hear the sound because the frequency is too high. When the car is moving away from the
person, the person can hear the sound. If the speed of sound is 343 m/s, what is the minimum speed of the moving car?
Number i
Units
Transcribed Image Text:A loudspeaker in a parked car is producing sound whose frequency is 21440 Hz. A healthy young person with normal hearing is standing nearby on the sidewalk but cannot hear the sound because the frequency is too high. When the car is moving away from the person, the person can hear the sound. If the speed of sound is 343 m/s, what is the minimum speed of the moving car? Number i Units
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