Physics, 28.07.2019 07:30 bellpreslee7115
An echocardiogram uses 4.4 mhz ultrasound to measure blood flow in the aorta. the blood is moving away from the probe at 1.5 m/s . the speed of sound medium speed (m/s) air (0∘c) 331 air (20∘c) 343 helium (0∘c) 970 ethyl alcohol 1170 water 1480 human tissue (ultrasound) 1540 lead 1200 aluminium 5100 granite 6000 diamond 12,000 you may want to review ( pages 489 - 492) . part a what is the frequency shift of the reflected ultrasound
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An echocardiogram uses 4.4 mhz ultrasound to measure blood flow in the aorta. the blood is moving aw...
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