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24 July, 02:08

V (t) = t^2+2 (m/s)

For t=0, x (0) = 4m

Find the acceleration and the kinematic equation

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  1. 24 July, 03:07
    0
    Acceleration can be found by differentiating v (t) by t:

    dv/dt = d (t^2+2) / dt

    =d (t^2) / dt + d (2) / dt

    =2tdt/dt + 0

    =2t

    The displacement x (t) can be found by integrating v (t) by t

    x (t) = int (t^2 + 2) dt

    = t^3/3 + 2t + c

    When t=0, x (0) = 4=0+0+c

    So c=4

    x (t) = t^3/3 + 2t + 4

    v (t) = t^2 + 2

    a (t) = 2t
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