A seismograph located 1200 km from an earthquake detects seismic waves 5.0 min after the
Chapter 14, Problem 20(choose chapter or problem)
A seismograph located 1200 km from an earthquake detects seismic waves 5.0 min after the quake occurs. The seismograph oscillates in step with the waves, at 3.1 Hz. Find the wavelength.
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