A particle is displaced in 092 s from point a to point b, Ask an Expert

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A particle is displaced in 0.92 s from point A to point B with a uniform speed of 4.8 m/s via a circular path of radius 3.8 m centered at the origin. The position vectors of point A and B make 85 degrees and 160 degrees with the positive x-axis respectively. Obtain the average acceleration of the particle.

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