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Body of mass 2 Kg moving in the x-y plane

  1. Jun 29, 2009 #1
    1. The potential energy (in joule) of a body of mass 2 Kg moving in the x-y plane is given by
    Where the position coordinates x and y are measured in meters.If the body is at rest at point (6m,4m) at time t=0,it will cross the yaxis at time t equal to
    a. 2s
    b. 1s
    c. 3s
    4. 4s
  2. jcsd
  3. Jun 29, 2009 #2
    Re: energy

    This is not the place for homework questions.
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