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Bernoullis equation and appropriate units

  1. May 1, 2007 #1
    I've just completed a question using Bernoullis equation but I am unsure of what units I should give the answer in.

    By taking the units of the terms in the equation to be

    Pressure density velocity density acceleration height

    Nm^2 Kg m^-3 m s^-1 Kg m^-3 m s^-2 m

    And then simplifying I get

    N m^-1 kg^2 s^-3

    This doesnt look great..... Am I on the right lines though?
  2. jcsd
  3. May 1, 2007 #2


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    Staff Emeritus
    Science Advisor

    Units should be in terms of energy J or kg m2 s-2 in SI/mks, or specific energy, m2 s-2.
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