What is the speed of the heart wall?
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mn1998 asked:
Obstetricians use ultrasound to monitor fetal heartbeat.
If 5.0MHz ultrasound reflects off the moving heart wall with a 100Hz frequency shift, what is the speed of the heart wall? Hint: You have two shifts to consider.
Direct Vent Gas Fireplace
Obstetricians use ultrasound to monitor fetal heartbeat.
If 5.0MHz ultrasound reflects off the moving heart wall with a 100Hz frequency shift, what is the speed of the heart wall? Hint: You have two shifts to consider.
Direct Vent Gas Fireplace










