WILL GIVE BRAINLIEST
The displacement, x meters, from the origin at time, t seconds, of a
particle moving in a straight line is given by x=t^3 -9t^2 +4
(i) Find the particle's initial position.
(ii) Find an expression for the velocity as a function of time.
(iii) Find an expression for the acceleration as a function of time.
(iv) At what times is the particle stationary?
(v)At what time is the acceleration zero? Find its velocity and
position then.
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