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 have the same diameter, but pipe B is twice as longqk7ct+ hd sbvi;.0 k1b as piqrhr2 ;m3iu pl0 +i( qwpe0gp pj+jo/)pe 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 Q,rw3peph 2 g;m jjruip+p /0+0io(q)ql 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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