Two Horizontal Pipes Have the Same Diameter,but Pipe B Is $\frac { \Delta V } { \Delta t }$

question 27

Multiple Choice

Two horizontal pipes have the same diameter,but pipe 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 Q = $\frac { \Delta V } { \Delta t }$ what is the flow rate in pipe A?

• A)2Q
• B)4Q
• C)8Q
• D)16Q
• E)Q \(\sqrt { 2 }\)

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