Given the displacement vector ? = [3.1?2, 2.0?, 0]: (a) what is the position of the object at time ? = 2.1 ? assuming the object started at the origin? (b) what is the distance the object has traveled at ? = 2.1 ?? (c) what is the velocity of the object as a function of time? (d) what is the velocity of the object at ? = 0, ? = 2.1 ? and ? = 4.2 ?? (e) what is the speed of the object at the times given in part (d). Are the speed evenly spaced? Would you expect this? Why or why not? (f) what is the acceleration of the object at ? = 0, ? = 2.1 ? and ? = 4.2 ??

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Projectile Motion