A stationary person hears a frequency of 76 Hz from an approaching car. When the car is moving away from him, he hears a frequency of 65 Hz What is the frequency of the sound emitted by the car's horn? (Take the speed of sound in the air as 343 m/s)

College Physics
11th Edition
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 stationary person hears a frequency of 76 Hz from an approaching car. When the car is
moving away from him, he hears a frequency of 65 Hz What is the frequency of the sound
emitted by the car's horn? (Take the speed of sound in the air as 343 m/s)
O 70 Hz
O 71 Hz
O 68 Hz
O 69 Hz
O 72 Hz
Transcribed Image Text:A stationary person hears a frequency of 76 Hz from an approaching car. When the car is moving away from him, he hears a frequency of 65 Hz What is the frequency of the sound emitted by the car's horn? (Take the speed of sound in the air as 343 m/s) O 70 Hz O 71 Hz O 68 Hz O 69 Hz O 72 Hz
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