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cyberdx16
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Homework Statement
Ultrasound reflected from an oncoming bloodstream that is moving at 38 cm/s is mixed with the original frequency of 1.3 MHz to produce beats. What is the beat frequency? (Velocity of sound in blood = 1540 m/s.)
Homework Equations
Fo=Fs(v+Vo/v)
Fb- (F2-f1)
The Attempt at a Solution
idk where to start...