Posted by **George** on Wednesday, March 20, 2013 at 7:54pm.

A certain car is capable only of accelerat

ing at 3.0m/s

2

, braking (decelerating) at

5.0m/s

2

, and moving at constant velocity. The car is init

ially located 100m from a road sign.

The driver, starting from rest, begins to accelerat

e towards the sign. After maintaining this

acceleration for a certain amount of time, the car

stops accelerating and continues at constant

speed

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