19) If the velocity of blood flow in the aorta is (m/s 0.32), what is the pulse frequency that you would expect if ultrasound waves of frequency (4.3 MHz) were directed along the flow of blood and the waves were reflected from red blood cells? Suppose waves travel at a speed of 1.54 x 10 m/s. O 178.80HZ 17.880HZ 1.788KHZ 0.178KHZ O 17.88KHZ
19) If the velocity of blood flow in the aorta is (m/s 0.32), what is the pulse frequency that you would expect if ultrasound waves of frequency (4.3 MHz) were directed along the flow of blood and the waves were reflected from red blood cells? Suppose waves travel at a speed of 1.54 x 10 m/s. O 178.80HZ 17.880HZ 1.788KHZ 0.178KHZ O 17.88KHZ
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