Physics, 20.08.2019 11:00 lenaeeee

Adog runs down his driveway with an initial speed of 5 m/s for 8 s, and then uniformly increases his speed to 10 m/s in 5 s.
a) what was his acceleration during the 2nd part of the motion?
b) how long is the driveway

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Adog runs down his driveway with an initial speed of 5 m/s for 8 s, and then uniformly increases his...