What is the maximum distance the iran can be heard

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A tornado Siren emits 3000 W of sound power, radialy equal in all directions.

a) What si the intensity of sound 40.0 m from the speaker.

b) What is the sound intensity Level.

c) Assume the weakest sound likely to be heard over background noise is 55dB. What is the maximum distance the iran can be heard?

Reference no: EM13521782

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