A particle starts to move at Q and travels in a straight line with velocity v cms-1, where v = 2t-t2 and t is the time in seconds after leaving Q. The particle comes to rest at A. Calculate: a. the value of t at A. b. the acceleration, a cms-2 c. the distance, s cm, from Q to A. d. the total distance covered from t=o to t=4.

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