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A GCE OL pastpaper question.

  1. Jul 25, 2007 #1
    A GCE OL pastpaper question.......

    Can someone get over this for me please............thanx ie

    The velocity, v m/s, of a particle P after t seconds is given by
    v = 20 + 12*t[squared] - t[cubed] , t is larger than 0.

    Calculate the value of t when the acceleration of P is 0.
  2. jcsd
  3. Jul 25, 2007 #2

    [tex]We \;know:\,a(t)=v\prime(t)[/tex]


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