If a car's horn emits a sound at a frequency of 500 Hz and the car isapproaching a stationary observer at a speed of 20 m/s, what will be theobserved frequency if the speed of sound is 340 m/s ? a) 520 Hz b) 480 Hzc) 540 Hz d) 460 Hz
If a car's horn emits a sound at a frequency of 500 Hz and the car isapproaching a stationary observer at a speed of 20 m/s, what will be theobserved frequency if the speed of sound is 340 m/s ? a) 520 Hz b) 480 Hzc) 540 Hz d) 460 Hz
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter13: Mechanical Waves
Section: Chapter Questions
Problem 41P
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Question
If a car's horn emits a sound at a frequency of 500 Hz and the car is
approaching a stationary observer at a speed of 20 m/s, what will be the
observed frequency if the speed of sound is 340 m/s ? a) 520 Hz b) 480 Hz
c) 540 Hz d) 460 Hz
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