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em 20 At a rock concert there are two main speakers, each putting out 510 W of sound power You are 5.00 m from one and 100 m
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Answer #1

P, = P2=510w 2,5m ;x2=10m in *.sow P, =siow Siowl Intensity received = I TI 510 + 510 2T (S) 25(10) = 4.0576 Wine . ß = 10 l

Since maximum threshold of hearing of a Normal person is 120 dB, therefore the person cannot sit there without suffering permanent hearing damage. One should immediately move from given location to prevent one self from permanent hearing damage.

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