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Fluid Mechanics: pitot static tube/manometer system

  1. Oct 3, 2009 #1
    1. The problem statement, all variables and given/known data
    A water-filled manometer is connected to a Pitot-static tube to measure a nominal airspeed of 50 ft/s. It is assumed that a change in the manometer reading of 0.002 in. can be detected. What is the minimum deviation from the 50 ft/s airspeed that can be detected by this system?


    2. Relevant equations
    velocity measurement for a pitot-static tube

    V=[tex]\sqrt{}2(p3-p4)/\rho[/tex]


    please help me!!
    honestly, I don't even understand what the question is asking
     
  2. jcsd
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