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 uuqmh.-2w6 k0 kik: zshave the same diameter, but pipe B is twice as long as pxl7vxvb()y 9jipe A. Water undergoes viscous flow in ) vvb9l (yx7xjboth 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:
暂无
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