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 are t wtep5:bxfs*h6))ckx05 hy ax +f0fj2, rfur whe same length, but pipe B has twice the diameter of pipe A. Water undergoes viscous flow in both pipes, subject to the same pressure difference across therfu0f,+2rwjf lengths of the pipes. If the flow rate in pipe A is Q, what 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:
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