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At a distance of 7.5 m from a point sound source, the sound intensity level is 105 dB. At what distance is the intensity level 85 dB?

At a distance of 7.5 m from a point sound source, the sound intensity level is 105 dB.
At what distance is the intensity level 85 dB?

the answer:42 m

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ans 8100317 - Physics.docx

Answer to 8100317
At a distance of 7.5 m from a point sound source, the sound intensity level is 105 dB.
At what distance is the intensity level 85 dB?
the answer:42 m
dB = 10log(I/Io)
I =...

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