SOLUTION: use formula l=10*log where the loudness of sound in descibels is determined by i,the number of watts per square meter,produced by soundwave and io=10-12.what is the intensity of a

Question 269443: use formula l=10*log where the loudness of sound in descibels is determined by i,the number of watts per square meter,produced by soundwave and io=10-12.what is the intensity of a nosie measured at 53dB?
choose one of these answers
1.5.3 x 10 (-10)
2. 2 x 10(-7)
3. 2 x 10 (14)
4. 2 x 10 (-6)

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
use formula l=10*log where the loudness of sound in descibels is determined by i,the number of watts per square meter,produced by soundwave and io=10^-12.what is the intensity of a noise measured at 53dB?
choose one of these answers
---
53 = 10log(i/io)
5.3 = log(i/i^-12)
5.3 = log(i)-log(10^-12)
5.3 = logi +12
log(i) = -6.7
i = 2 x 10^-7
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Cheers,
Stan H.
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1.5.3 x 10 (-10)
2. 2 x 10(-7)
3. 2 x 10 (14)
4. 2 x 10 (-6)

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