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Bernoulli aplication

  1. Jun 23, 2007 #1
    1. The problem statement, all variables and given/known data

    With a little effort we can blow across a dime on a table and make it land in a cup, but how can it be explained? I know that is because the bernoulli princle
    (qv^2)/2 +qgh + p = const

    2. Relevant equations

    but what happens with pressure during this action?
     
  2. jcsd
  3. Jun 23, 2007 #2
    the dime has a cross sectional profile, the side your blowing experiences a pressure equal to the first term in your equation
     
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