whtvrnicole whtvrnicole 02-09-2021 Physics contestada An object is moving in a straight line. At t = 0, its speed is 5.0 m/s. From t = 0 to t = 5.0 s, its acceleration is 2.5 m/s2. From t = 5.0 s to t = 11.0 s, its speed is constant. The average speed over the entire time interval is