The position-time graph of a moving object is shown below. Find the average velocity and describe the motion of the object in the following time intervals (a) 0 to 2 s, (b) 2 to 4 s, (c) 4 to 5 s, (d) 5 to 7 s, and (e) 0 to 8 s. (Serway & Jewett, 2004)
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