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Torricelli's theorem Derivation help

  1. Apr 7, 2013 #1
    1. The problem statement, all variables and given/known data

    In torricellis theorem why we take P1=p2=atmospheric pressure???

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 7, 2013 #2

    SteamKing

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  4. Apr 8, 2013 #3
    How? I mean we are dealing with pressure of the fluid,where does the atmospheric pressure comes in place???
     
  5. Apr 8, 2013 #4

    SteamKing

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    Torricelli is a special case of Bernoulli's Principle. You must look at the total pressure (fluid + atmospheric) which acts.
     
  6. Apr 10, 2013 #5
    so what must be the pressure of the fluid????
     
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