A particle travels with constant speed on a circle of radius 3.0 meters and completes one revolution in 20 sec. Find (a) the magnitude and direction…

A particle travels with constant speed on a circle of radius 3.0 meters and completes one revolution in 20 sec. Find (a) the magnitude and direction of the displacement vectors 5.0 sec, 7.5 sec. and 10 sec later; (b) the magnitude and direction of the displacement vector in the 5.0 second interval from the fifth to the tenth second; (c) the average velocity vector in this interval; (d) the instantaneous velocity vector at the beginning and end of this interval; (e) the average acceleration vector in this interval; and (f) the instantaneous acceleration vector at the beginning and end of this interval.

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