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 ap3qcbzxg .o,i jzp502 re the same length, but ts v*du3ca*o6bncwgk 162 8rcpipe B has twice the diameter of 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 A is Q, whattb2avc uk r*1c c3 w686go*dsn 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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