1. Suppose the position vector for a particle is given as a func- tion of time by 7(1) = x(t)i + y(t) j, with x(t) y(t) = ct + d, where a = = at + b and = 0.125 m/s², 1.00 m. (a) Calculate the average velocity during the time interval from t = 2.00 s to t = 4.00 s. (b) Determine 1.00 m/s, b = 1.00 m, c= and d the velocity and the speed at t = 2.00 s.
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