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Homework Help: Projectile Motion- deriving formulas

  1. Jun 15, 2011 #1
    1. The problem statement, all variables and given/known data

    I need to know how the equation Dx= Vx[itex]\sqrt{}2(Dy)[/itex]/a is valid.
     
  2. jcsd
  3. Jun 15, 2011 #2

    ojs

    User Avatar

    Well, then we need to know the context of the problem. What are the variables here? What is Dx, Vx, Dy and a (I assume a is acceleration but the rest, no idea).
     
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