Homework Help: Physic

Posted by Leo on Wednesday, December 5, 2012 at 12:02pm.

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section?

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Physic - Elena, Wednesday, December 5, 2012 at 3:57pm
A₁v₁=A₂v₂
(πd₁²/4)v₁=(πd₂²/4)v₂
v₂=(d₁²/d₂²)v₁=(16d₁²/d₁²)1 m/s=16 m/s

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