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Homework Help: Pressure and velocity of fluid

  1. Nov 23, 2009 #1
    1. The problem statement, all variables and given/known data


    Let's say the surface of the fluid is very big as compare to the tube diameter.
    Are my assumptions below correct?


    VB(inlet of the tube) = VE, i think so because the diameter of the tube is constant.
    And the velocity through the tube all are constant.

    or VB(inlet of the tube) = 0? but it could be right?

    Which point has the lowest pressure? should be PC or PE?

    Are the pressure of PB and PE the same?

    Is the PD = 0?

    will all the pressure be different value if the fluid in a stationary motion?

    thanks all.
  2. jcsd
  3. Nov 23, 2009 #2
    anyone can help in this question??
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