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Question
Submitted by pinsho on Sun, 2013-01-20 17:01
due on Thu, 2013-01-24 17:02
answered 1 time(s)
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A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how...

A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the loudness be reduced? Use the formula L=101logI/Io. Round to the nearest hundredth. (1 point)3.57 decibels

Answer
Submitted by karni.shekhawat on Sun, 2013-01-20 17:11
teacher rated 26 times
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solution

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loudness L = -10 log I/Io

xxxxx xxxx I = 0.44 I0

xx 

 

L' = -10 log xxxxxxxxo

 

L' = 3.57 dB

 


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