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# A person leaning over a 125-m-deep well accidentally drops

ISBN: 9780321675460 31

## Solution for problem 73P Chapter 16

University Physics | 13th Edition

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University Physics | 13th Edition

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Problem 73P

A person leaning over a 125-m-deep well accidentally drops a siren emitting sound of frequency 2500 before this siren hits the bottom of the well, find the frequency and wavelength of the sound the person hears (a) coming directly from the siren aud (b) reflected off the bottom of the well, (c) What beat frequency does this person perceive?

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Solution 73P For the sound coming directly to the observer at the top of the well,the source is moving away from the listener.for the reflected sound,the water at the bottom of the well is the listener so the source is moving toward the listener.the water reflect same frequency sound receives. Here the velocity is needed to calculate frequency that is calculated by using equation v = 2gh Where, depth of well h = 125 m. Acceleration due to gravity g = 9.8 m/s Siren emitting sound of frequency f = 2500 Hz Then, v = 2gh v = 2(9.8 m/s )(125 m) v = 49.497 m/s v ~ 50 m/s (a).The...

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##### ISBN: 9780321675460

The full step-by-step solution to problem: 73P from chapter: 16 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “A person leaning over a 125-m-deep well accidentally drops a siren emitting sound of frequency 2500 before this siren hits the bottom of the well, find the frequency and wavelength of the sound the person hears (a) coming directly from the siren aud (b) reflected off the bottom of the well, (c) What beat frequency does this person perceive?” is broken down into a number of easy to follow steps, and 59 words. University Physics was written by and is associated to the ISBN: 9780321675460. Since the solution to 73P from 16 chapter was answered, more than 346 students have viewed the full step-by-step answer. This full solution covers the following key subjects: frequency, Person, siren, Sound, bottom. This expansive textbook survival guide covers 26 chapters, and 2929 solutions.

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