EXAMPLE 4 Position Vector The position of a particle is given by ection r 3 0 t i 2 0 t j 5 0 k 2 where t is in seconds and the

Question

EXAMPLE 4 Position Vector The position of a particle is given by ection r 3 0 t i 2 0 t j 5 0 k 2 where t is in seconds and the coefficients have the proper units for r to be in metres i Find v t and a t of the particles ii Find the magnitude and direction of

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