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10 cards from this deck
Change in observed frequency due to relative motion
Higher frequency/pitch
Lower frequency/pitch
Higher frequency
Lower frequency
fL=v±vLv±vS×fSf_L = \frac{v \pm v_L}{v \pm v_S} \times f_SfL=v±vSv±vL×fS
Negative
Positive
Ultrasound to examine blood flow
Blood flow problems, blocked arteries, heart valve issues
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