3. An object, initially at A(1, 4, 3), moves in a way that its velocity ar any time t 2 0 is F1) = (a" - 2,2). 4 (a) Find the coordinates of the position of the object at t = 1. (b) Determine the velocity, speed and acceleration at t 1. (c) Find the scalar tangential and normal components of the acceleration at t = 1.

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