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The human ear can detect a minimum intensity (listed below), which has a sound i

ID: 1652866 • Letter: T

Question

The human ear can detect a minimum intensity (listed below), which has a sound intensity of 0dB. If the student hears at 15 dB, what is the intensity of the sound? Please show all steps/work. Thank you so much!

Class Management Help Reading Quiz - Chapter 17 Begin Date: 8/29/2017 12:00:00 AM -- Due Date: 9/10/2017 11:59:00 PM End Date: 12/21/201 (14%) Problem 2: The human ear can detect a minimum intensity of 10-10-12 W/m2, which has a sound intensity of 0 dB Randomized Variables =15dB If the student hears a sound at 15 dB, what is the intensity of the sound? tan0 cosO cotan)asin)acos() sin acotan)si sinh) atan cosh)tanh)cotanhO Degrees O Radians END BACKSPACE DEL CLEAR Submit Hint I give up!

Explanation / Answer

Intensity = 10log(I/Io)

15 = 10log(I/10-12)

1.5 = log(I/10-12)

10^1.5 = I/10-12

31.622 = I/10-12

I = 31.622 * 10-12 dB