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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 Preview

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

    I = P / A

    Now the ...

    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.