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# If a large housefly 3.0 m away from you makes a noise of

## Problem 22PE Chapter 17

College Physics by Urone | 1st Edition

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Problem 22PE

If a large housefly 3.0 m away from you makes a noise of 40.0 dB, what is the noise level of 1000 flies at that distance, assuming interference has a negligible effect?

Step-by-Step Solution:
Step 1 of 3

Solution 22PE

If a source is emitting sound of some intensity then n number of sources emitting sound of same intensity will definitely cause increase in sound intensity and intensity emitted by  identical sources will be times of the single source if interference is not considered.

The expression to find the intensity level of sound is,

= (10 d) ()

Here  is intensity level of sound,  is intensity of sound and  is reference intensity of sound.

Substitute, 40 dB for and  w/ for   in the expression of intensity level of sound,

40 dB = (10 dB)  ()

=  ()

Further solve,

Step 2 of 3

Step 3 of 3

##### ISBN: 9781938168000

The answer to “If a large housefly 3.0 m away from you makes a noise of 40.0 dB, what is the noise level of 1000 flies at that distance, assuming interference has a negligible effect?” is broken down into a number of easy to follow steps, and 32 words. Since the solution to 22PE from 17 chapter was answered, more than 280 students have viewed the full step-by-step answer. College Physics by Urone was written by and is associated to the ISBN: 9781938168000. This textbook survival guide was created for the textbook: College Physics by Urone, edition: 1st. The full step-by-step solution to problem: 22PE from chapter: 17 was answered by , our top Physics solution expert on 07/07/17, 04:39PM. This full solution covers the following key subjects: noise, interference, distance, effect, Flies. This expansive textbook survival guide covers 34 chapters, and 3125 solutions.

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