A doppler blood flow unit emits ultrasound at 50mhz what is
A Doppler blood flow unit emits ultrasound at 5.0MHz. What is thefrequency shift of the ultrasound reflected from blood moving in anartery at a speed of 0.20 m/s?
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a doppler blood flow unit emits ultrasound at 50mhz what is thefrequency shift of the ultrasound reflected from blood
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