February 28, 2017

Homework Help: college physics

Posted by Anonymous on Tuesday, April 27, 2010 at 10:33am.

The intensity of an earthquake wave passing through the Earth is measured to be 2.5×10^6 J/m^2 at a distance of 43 km from the source. What was its intensity when it passed a point only 2.0 km from the source? AND At what rate did energy pass through an area of 4.0 m^2 at 2.0 km? Really need help with this problem please!!!

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