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a) Find the total displacement from zero to 60 seconds. b) During which 4 points time intervals is the object slowing down? c) What is the value of the acceleration while the object is slowing down? ) During what time interval is the object undergoing motion with uniform velocity? 7.0 6.0 5.0 velocity (m/s) 4.0 [east] 3.0 2.0 1.0 0.0 0.0 10.0 20.0 30.0 40.0 50.0 60.0 time (s)