Physics Unit10: Fluids Related Topics (id: fb335e8fd)

本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 国际高中通用物理

[单选题]
Liquid flows through 2zkw.t l basn*vg 3;m+u95(sf2lum rxa 4hc ie7k+ rtfj4g:) e0q7otl0 h.0 cm diameter pipe at 1.0 m/s. There is a 2.0 cm diameter restriction ce hfk4trt77ho l: i0q+0j)gein the line. What is the velocity in this restriction?

A. 0.25 m/s
B. 0.50 m/s
C. 2.0 m/s
D. 4.0 m/s


参考答案:  D


本题详细解析: 暂无

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