Question
Asked Nov 24, 2019
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Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 27 m away from the sound source is  3.0 X 10-4 W/m2. What is the intensity at a spot that is 80 m away?

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Step 1

The formula for the intensity in terms of po...

A
Р
I =
47r
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A Р I = 47r

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