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Physics 20 Online
OpenStudy (anonymous):

An electric vehicle starts from rest and accelerates in a straight line at a rate of 2.0 m/s^2 to reach a speed of 20 m/s. Then, the vehicle decelerates at a constant rate of 1 m/s^2 to a stop. 1) How much time elapses between the starting and stopping? 2) What is the distance traveled by the vehicle from start to stop? Excuse me my english, but i'm brazilian and don't speak english very well.

OpenStudy (anonymous):

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