2. The motion of a particle is defined by the relation s =t* +t3 – 5t2 – 2t + 53 , 12 where s and t are expressed in inches and seconds respectively. Determine (a) time when v=0 (b) position when v=0...

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Extracted text: 2. The motion of a particle is defined by the relation s =t* +t3 – 5t2 – 2t + 53 , 12 where s and t are expressed in inches and seconds respectively. Determine (a) time when v=0 (b) position when v=0 (c) position when a=0.