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 pipesn fkg 48wrtk/zjy(g5 . 5xd-ll7a .3+yud .5 hrgsrs i-o;ig vxhave the same diameter, but pipe B is twice as long as pipe A. Water undergoes viscd ards-+oxlsi7v 5g. i;gx3yl h 5r.-uous flow in both pipes, subject to the same pressure difference across the lengths of the pipes. If the flow rate in pipe B is Q, what is the flow rate in pipe A?
A. $Q$
B. $2 \; Q$
C. $4 \; Q$
D. $8 \; Q$
参考答案: B
本题详细解析:
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