本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 通用国际物理
[单选题]
Which has the greatest effect on the flowqv swedw* -ah*(z4rvr /fw(w; of fluid ow)z2ej- **wd j qvox3through a narrow pipe? That is, if you made a 10% change in each of the quantities below, which would cause the greatest change d-j*wv*3wooj ez2x )qin the flow rate?
A. the fluid viscosity
B. the pressure difference
C. the length of the pipe
D. the radius of the pipe
参考答案: D
本题详细解析:
暂无
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