A certain source of sound wavesradiates uniformly in all, Physics

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A certain source of sound wavesradiates uniformly in all

A certain source of sound wavesradiates uniformly in all directions. At a distance of 15 mfrom the source the intensity level is 30 dB.

a. What is the intensity of thesound 15 m from the source in W/m2

b. What is the total acoustic powerout put of the source in watts?

c. How far from the sourcewould you have to move to decrease the intensity of the sound byone half?

d. What would the sound intensitylevel in dB be at this distance?

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Physics: A certain source of sound wavesradiates uniformly in all

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