An inattentive driver is traveling 20.0 m/s when he notices, Ask an Expert

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An inattentive driver is traveling 20.0 m/s when he notices a red light ahead. His car is capable of decelerating at a rate of 4.00 m/s^2. If it takes him 0.250 s to get the brakes on and he is 30.0 m from the intersection when he sees the light, will he be able to stop in time?

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