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 8miekr m5-d5pthe uk.yp/dk n/ 1yaorta is normally about 0.32 m/s what beat frequency would you expect ipd.u/nk1y y k/f 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%


本题详细解析:

微信扫一扫，分享更方便