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If the velocity of blood flow in the aorta is normally about 0.32 m/s, what beat frequency would you expect if 4.30-MHz ultrasound waves were directed along the flow and reflected from the red blood cells? Assume that the waves travel with a speed of 1.54 x 10^3 m/s.
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If the velocity of blood flow in the aorta is normally about 0.32 m/s, what beat frequency would you...
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