Physics, 24.12.2019 18:31, skylerlorain1

Aultrasonic wave at 8x10^4 hz is emitted into a vien where the speed of sound in blood is 1570 m/s. the wave reflects off the red blood cells moving towards the stationary receiver, if the frequency of the4 returning signal is 8.002x10^4 hz, what is the speed of blood flow?

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Aultrasonic wave at 8x10^4 hz is emitted into a vien where the speed of sound in blood is 1570 m/s....