18. Waves & Sound
Wave Intensity
3:53 minutes
Problem 15.77
Textbook Question
Textbook QuestionAn earthquake-produced surface wave can be approximated by a sinusoidal transverse wave. Assuming a frequency of 0.60 Hz (typical of earthquakes, which actually include a mixture of frequencies), what amplitude is needed so that objects begin to leave contact with the ground? [Hint: Set the acceleration a > g. Why?]-
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