A person shouting emits 1.10 W of energy as sound. To the nearest dB, what is...

Question

Question

A person shouting emits 1.10 W of energy as sound. To the nearest dB, what is the intensity of this sound 30 meters away?

science physics

Answer 1

Answer #1

Intensity= power/area

Powwr= 1.1 watt

Area= 4pi*30^2

I= 9.726*10^-5 w/m^2

Loudness= 79.9 dB

Answer 2

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