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2 answers
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Understanding Snells Law in seismic waves

This is a homework question, Ill say it upfront. The Problem is given so: Earthquake causes a wave that meets a boundary between two rock substances. Incoming wave speed is 25 m/s and angle is 9 ...
Jeekim's user avatar
  • 103
1 vote
3 answers
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Is there a subterranean SOFAR channel?

After discovering the SOFAR channel in water at a depth which the speed of sound is at its minimum and acts as a waveguide, it was postulated that a similar channel existed in the atmosphere and ...
joshperry's user avatar
  • 317