The Doppler effect using ultrasonic waves of frequency
Chapter 13, Problem 57P(choose chapter or problem)
(III) The Doppler effect using ultrasonic waves of frequency \(2.25 \times 10^6 \mathrm{~Hz}\) is used to monitor the heartbeat of a fetus. A (maximum) beat frequency of \(500 \mathrm{~Hz}\) is observed. Assuming that the speed of sound in tissue is \(1.54 \times 10^3 \mathrm{~m} / \mathrm{s}\), calculate the maximum velocity of the surface of the beating heart.
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