Physics

The position of a particle moving along the x axis is given by x= 12t2 -2t ,where x is in meters and t in seconds . determine the velocity and the acceleration of the particle at t=3.0s

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  1. well, you have
    x = 12t^2 - 2t
    v = x' = 24t - 2
    a = v' = 24
    so plug in your numbers

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    oobleck
  2. X = 12T^2 - 2T
    X = 12*3^2 - 2*3 = 102 m.
    V = x/T = 108m/3s = 36 m/s.

    V = a*T
    36 = a*3
    a =

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