The S-waves (transverse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. If the S-waves travel about 4000 m s⁻¹ while the P-waves travel at nearly 7000 m s⁻¹, how far away must an earthquake be for the P-waves to arrive 2 minutes before the S-waves?
Physics · Wave Motion
The S-waves (transverse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. If the S-waves travel about 4000 m s⁻¹ while the P-waves travel at nearly 7000 m s⁻¹, how far away must an earthquake be for the P-waves to arrive 2 minutes before the S-waves?
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