Solved: (III) A longitudinal earthquake wave strikes a
Chapter 11, Problem 60P(choose chapter or problem)
Problem 60P
(III) A longitudinal earthquake wave strikes a boundary between two types of rock at a 38° angle. As the wave crosses the boundary, the specific gravity changes from 3.6 to 2.5. Assuming that the elastic modulus is the same for both types of rock, determine the angle of refraction.
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