A point source emits 58.7 W of sound isotropically. A small microphone intercepts the sound in an area of 0.151 cm², 400 m from the source. Calculate (a) the sound intensity there and (b) the power intercepted by the microphone.

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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*Chapter 17, Problem 035
A point source emits 58.7 W of sound isotropically. A small microphone intercepts the sound in an area
of 0.151 cm², 400 m from the source. Calculate (a) the sound intensity there and (b) the power
intercepted by the microphone.
(a) Number
1
Units
(b) Number
2 Units
Transcribed Image Text:*Chapter 17, Problem 035 A point source emits 58.7 W of sound isotropically. A small microphone intercepts the sound in an area of 0.151 cm², 400 m from the source. Calculate (a) the sound intensity there and (b) the power intercepted by the microphone. (a) Number 1 Units (b) Number 2 Units
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