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The position function of a moving particles is give by r(t) = [(5 m.s-1)t + (6...

The position function of a moving particles is give by r(t) = [(5 m.s-1)t + (6 m.s-2)t2] i + [(7.0 m) - (3 m.s-3)t3] j. Calculate:

(i) the displacement of the particle from t = 2 s to t = 3 s. (ii) The instantaneous velocity and acceleration at t = 3 s.

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