The graph shows the displacement-time history for the rectilinear motion of a particle during an 8-second interval. Determine the average velocity vay during the interval and, to within reasonable limits of accuracy, find the instantaneous velocity v when t = 4 s. 8, m 10, 8 6 Show complete solution. 2 4 1,s For the whole interval, Vav- When t = 4s, m/s m/s
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