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Coefficient of discharge

  1. Feb 26, 2016 #1
    1. The problem statement, all variables and given/known data
    why the author consider the coefficient of discharge as the z here ? what is exactly coefficient of discharge?

    2. Relevant equations


    3. The attempt at a solution
     

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  2. jcsd
  3. Feb 26, 2016 #2

    BvU

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    1. He doesn't . ##\Delta z ## happens to be 0.61 m here. You can check: it has a dimension. C has not. (*
    )
    2. Didn't google work ? Plenty links when I try !


    (*) the author is rather sloppy with dimensions. ##\rho_0## has a dimension too.
     
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