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Proper equation to use?

  1. Mar 7, 2007 #1
    1. The problem statement, all variables and given/known data
    Here is the scenario: If I have a cylindrical tank containg 30 liters of a substance. I want to determing the pressure/ energy necessary to empty the tank in 55-60 seconds through a 1/2" diameter outlet. In other words how much gas would I need to introduce to the tank to completely empty in the given time frame. What equation would I need?
    Please tell me what other variables I would need and what equation?

    2. Relevant equations
    Trying to determine

    3. The attempt at a solution
    attempted to see if bernoulis equation could be utilized, but failed.
  2. jcsd
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