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makaylahunt
02.08.2019 •
Mathematics
What is the sound level for a noise that has an intensity of 7.6 × 10-4 watts/m2?
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Ответ:
To solve this problem you have to understand the threshold of hearing (Level)
Io = 10^−12 W/m²
Solve the problem:
"LI = 10×log (I / Io) dB = 10×log (7.6×10^−4 / 10^−12) dB"
and the answer is 88.81dB
Quoted answers are not mine. All credits to their internet owners.
Further help/Credits to:
https://answers.yahoo.com/question/index?qid=20130217095248AALXBjj
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Ответ: