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]
Two horizontal pipes have the same diame*b1ke- )uqo vrvw -f)gter, but pipev /6( w8pqr0g 1nez e5o4ju cvcte.h4u B is twice as long as pipe A. Water undergoes viscous flow in both pipes, subject to the same pressure difference across the lengths of the pipes. If the flow rate in pipe B is Qv e5czecr q u1gh( ue6tpn44/vwj.o0 8, 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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