gc textbook chapter 12 Sound (id: 8640b8877)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
If the velocity of blood flow in t5.d.h 641 wmiqtx2s rij,eqxy he aortas(ec/7e hux )w is normally about 0.32 m/s what beat )7 u/(hxewecs frequency would you expect if 5.50-MHz ultrasound waves were directed along the flow and reflected from the red blood cells? Assume that the waves travel with a speed of $1.54 \times10^{3 }$ m/s   $ \times10^{3 }$Hz

参考答案: 2.29±2%


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