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Control Volume: Linear Momentum

  1. Apr 10, 2014 #1
    1. The problem statement, all variables and given/known data

    I know how to apply the linear momentum equation for the control volume, but I am not sure why the V2 (velocity of flow from section 2) is V*cos(60).

    The only reason I can see is the velocity being constant. And since there are two outlet with equal area, the velocity is half? (1/2)V*cos(60) + (1/2)V*cos(60)= V*cos(60)

    I just want to make sure my reasoning is right.

    Thnx
     

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  2. jcsd
  3. Apr 11, 2014 #2

    rude man

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    There are not two outlets.
    This is a 2-D depiction of a 3-D situation.
     
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