Find its velocity when it returns to the position

Reference no: EM13664073

A particle moves along the x-axis. Its position is given by the equation x=7+3t^2-8t^3 with x in meters and t in seconds.

(a) Find its position when it changes direction and

(b) Find its velocity when it returns to the position it had at t=0.

Reference no: EM13664073

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