Question: An electric vehicle starts from rest and accelerates at a rate of 2.0m/s 2 in a straight line until it reaches a speed of 20m/s.The

An electric vehicle starts from rest and accelerates at a rate of 2.0m/s2 in a straight line until it reaches a speed of 20m/s.The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. 

(a) How much time elapses from start to stop?

(b) How far does the vehicle travel from start to stop?

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