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Mathematics 8 Online
OpenStudy (anonymous):

A racecar passes its first checkpoint at a constant speed of 25 m/s and immediately begins accelerating at a rate of 10 m/s2. This problem can be represented using the following equation. (1/2)10t2 + 25t = 420 How long will it take the car to reach the finish line 420 meters beyond the checkpoint?

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