Suppose the position vector for a particle is given as a function of time by r(t)=x(t)i^+y(t)j^​, with x(t)=at+b and y(t)=ct2+d, where a=1.00m/s,b=1.00m,c=0.125m/s2, and d=1.00m. (a) Calculate the average velocity during the time interval from t=2.00s to  t=4.00s. (b) Determine the velocity and the speed at t=2.00s

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Projectile Motion