Solved: The intensity of an earthquake wave passing
Chapter 11, Problem 47(choose chapter or problem)
The intensity of an earthquake wave passing through the Earth is measured to be 2.0 x 106 J/m2 s at a distance of 48 km from the source, (a) What was its intensity when it passed a point only 1.0 km from the source? (b) At what rate did energy pass through an area of 5.0 m2 at 1.0 km?
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