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Calculate the pressure difference

  1. Sep 29, 2009 #1
    Admit Wed to speed the flow of air above the rear door of the cave is equal to 1,07Vo. Calculate the pressure difference p(1) - p(2) when the wind speed in the flat surface is equal to 6 m/s.

    Answer:
    3,21 N/m^2

    figure:
    http://www.physicshelpforum.com/physics-help/attachments/advanced-mechanics/434d1253986504-pressure-3.14.jpg [Broken]
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Oct 2, 2009 #2
    Re: Pressure

    My attempt:

    Bernoulli:

    Z1 + P1/y + V1^2/2g = Z2 + P2/y + V2^2/2g

    I have:
    V1 and V2. But I do not have Z1 and Z2
     
    Last edited by a moderator: May 4, 2017
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