Homework Help: physics

Posted by diane bavier on Tuesday, April 5, 2011 at 4:35pm.

Sound spreads radially in all directions from a source with power 15.3 W. If the intensity you experience is 3.00×10−6 W/m2, how far away are you from the source? answer in meters?

physics - drwls, Tuesday, April 5, 2011 at 7:02pm
You have shown that you are pretty good at creating different fake names. Now try dividing the total power by the sphere area at R, to get the known power per area. Then solve for R

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