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How they get the value of v1

  1. Jan 28, 2009 #1
  2. jcsd
  3. Jan 28, 2009 #2
    Well it looks like the question is about a classical potential.

    If a particle has an energy E and is moving in a potential V, then we have

    Kinetic Energy = (E - V) = [tex]\frac{1}{2}mv^{2}[/tex]

    Then solve for v:

    [tex]v = \sqrt{\frac{2(E-V)}{m}}[/tex]
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