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Intensity per unit of area

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Sound intensity, known as decibels, d, is calculated using:d = 9.8log IaI is the intensity per unit of area. a is faintest audible sound of the average human ear.

Find the decibels of a motorcycle that has a sound intensity of 10-2per square meter given that the faintest audible sound that the average human ear can hear is 10-12.(a) 98 decibels(b) 1010decibels(c) 9.8 decibels(d) 19.6 decibels(e) None of the above.

Reference no: EM131311935

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