A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
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Car `A` starts from a point `O` and moves with constant velocity `9 m//s`. After `2 s`, another car `B` begins its journey from `O` and follows car `A`. If car `B` starts from rest and moves under constant acceleration `4 m//s^(2)`, after how much time and at what distance from `O` the cars meet?
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