Tuesday
July 29, 2014

Homework Help: Physics

Posted by Teagan on Tuesday, May 27, 2014 at 8:28pm.

A jet engine produces a sound level of 150 dB from a distance of 30 m (assuming
spherical dissipation). The average human ear has an effective area of 12.0 cm2.
What is the sound level at 60 m from a jet engine is?
What would the power intercepted by an unprotected ear at 60 m
from a jet engine be?

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