The sound intensity level (dB) of a sound intensity (I) is defined as: d, B, equals, 10, log, left bracket, start fraction, I, divided by, I, start subscript, o, end subscript, end fraction, right bracketdB=10log(IoI) where I, start subscript, o, end subscriptIo is the lowest sound intensity that can be heard by humans, which is 10, to the power minus 12 , start fraction, W, divided by, m, squared, end fraction10−12m2W. Find the sound intensity level of a jackhammer that has a sound intensity of 10, to the power minus 3 , start fraction, W, divided by, m, squared, end fraction10−3m2W.
The sound intensity level (dB) of a sound intensity (I) is defined as: d, B, equals, 10, log, left bracket, start fraction, I, divided by, I, start subscript, o, end subscript, end fraction, right bracketdB=10log(IoI) where I, start subscript, o, end subscriptIo is the lowest sound intensity that can be heard by humans, which is 10, to the power minus 12 , start fraction, W, divided by, m, squared, end fraction10−12m2W. Find the sound intensity level of a jackhammer that has a sound intensity of 10, to the power minus 3 , start fraction, W, divided by, m, squared, end fraction10−3m2W.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter24: Percent Practical Applications
Section: Chapter Questions
Problem 35A
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The sound intensity level (dB) of a sound intensity (I) is defined as: d, B, equals, 10, log, left bracket, start fraction, I, divided by, I, start subscript, o, end subscript, end fraction, right bracketdB=10log(IoI) where I, start subscript, o, end subscriptIo is the lowest sound intensity that can be heard by humans, which is 10, to the power minus 12 , start fraction, W, divided by, m, squared, end fraction10−12m2W. Find the sound intensity level of a jackhammer that has a sound intensity of 10, to the power minus 3 , start fraction, W, divided by, m, squared, end fraction10−3m2W.
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