Suppose that the position vector for a particle is given as a function of time by (t) = x(t)î + y(t)ĵ, with x(t) = at + b and y(t) = ct2 + d, where a = 2.00 m/s, b = 1.05 m, c = 0.117 m/s2, and d = 1.16 m. (a) Calculate the average velocity during the time interval from t = 2.05 s to t = 3.85 s.   =       m/s (b) Determine the velocity at t = 2.05 s.   =       m/s Determine the speed at t = 2.05 s.  m/s

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Projectile Motion