Answer to Question #330009 in Molecular Physics | Thermodynamics for RDiehl

Question #330009

An audio speaker producing a steady sound at an outdoor concert is 18 ft away from you. If you move to a position where the speaker is 67 ft distant, by what factor will the amplitude of the sound change?



1
Expert's answer
2022-04-18T08:50:19-0400

The  amplitude of the sound is inversely proportional to the distance

A1rA\sim\frac{1}{r}

Hence

A2A1=r1r2=1867=0.27\frac{A_2}{A_1}=\frac{r_1}{r_2}=\frac{18}{67}=0.27

Answer: 0.27


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