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Engineering · Mechanical Engineering
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8. An object moves along a level track. The position of the object relative to the starting point at any time t (s), 0 Sts 5 is given by: x 3t 12t2 +18t (a) Determine the position of the object relative to the start for t 0 to t 5 s in steps of 1s and draw a graph of the results. (b) Calculate the velocity of the object for t 0 to t 5 s in steps of 1 s and superimpose a graph of the results on the previous graph. Calculate the minimum velocity of the object and the time when the minimum velocity occurs (d) Determine the acc eleration whent-5 s. (Ans: c, min vel. 2m/s, d, 66m/s)
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