Tuesday
October 21, 2014

Homework Help: PHYSICS

Posted by Tyler on Thursday, February 25, 2010 at 9:21pm.

A concert loudspeaker suspended high off the ground emits 35 W of sound power. A small
microphone with a 1.0 cm2 area is 50 m from the speaker.
(a) What is the sound intensity at the position of the microphone?
(b) How much sound energy impinges on the microphone each second?

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