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]
Two horizontal pipes are the sameg6zu6v oz3c z8 length, but pipe B has twice the 9y4 h4(pj6ycv*yyacg diameter of pipe A. Water undergoes viscous flow in both pipes, subject to the same pressure difference across the lengths of the piy4jygya 9yh46(v *cpc pes. If the flow rate in pipe A is Q, what is the flow rate in pipe B?
A. $2 \; Q$
B. $4 \; Q$
C. $8 \; Q$
D. $16 \; Q$
参考答案: D
本题详细解析:
暂无
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