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Fluid mechanics

  1. Oct 1, 2008 #1
    1. The problem statement, all variables and given/known data

    Okay so we have a question about manometers. After drawing the diagram and managing to calculate all of the previous bits of the question i narrowed it down to this equation.


    where i need to find Z. I was just wondering if someone could help me rearange to just find z which should be 68mm or 0.063m

    Many thanks in advance
  2. jcsd
  3. Oct 1, 2008 #2


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    Welcome to PF!

    Hi Ryan! Welcome to PF! :smile:

    Hint: expand 133416(z-0.063), and then move all the z over to the right-hand side. :smile:
  4. Oct 1, 2008 #3
    Just expand the brackets and re-arrange... i typed it in, got 11mm but i might have put it in wrong give it a go...

    8405.208 -133416*z +(133416*0.063) = 9810*z
    8405.208 +(133416*0.063) = 9810*z + 133416*z
    8405.208 +(133416*0.063) = (9810 + 133416)*z

    solve for Z
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