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Sound Intensity and Power

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At a distance of 3.8 m from a siren, the sound intensity is 3.6 x 10^-2 W/m^2. Assuming that the siren radiates sound uniformly in all directions, how do you find the total power radiated?

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Solution Summary

This solution uses the equation for sound intensity and sphere to determine the total power radiated from the siren. All steps are shown with brief explanations.

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The intensity of a sound wave is its power/unit area.

I = P / A

Now the ...

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