Q)
(chatquestion)...(1) The position vector r of a missile at any time t is given by
r = tị + (8t – t?)j
where i and j are unit vectors in the horizontal and upward vertical direc-
tion. Find its
(a) average velocity from t 2 tot = 3,
(b) velocity, speed and direction of motion when t = 4,
(c) position vector when it is moving parallel to the vector į – 2j,
(d) acceleration vector....(Need help please
...
