A doppler blood flow unit emits ultrasound at 50 mhz what
A doppler blood flow unit emits ultrasound at 5.0 MHz. What is the frequency shift of the ultrasound reflected form blood moving in an artery at a speed of 0.20 m/s?
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a doppler blood flow unit emits ultrasound at 50 mhz what is the frequency shift of the ultrasound reflected form blood
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