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A locomotive is accelerating at 2.34 m/s2. It passes through a 20.3-m-wide crossing in a time...

A locomotive is accelerating at 2.34 m/s2. It passes through a 20.3-m-wide crossing in a time of 2.97 s. After the locomotive leaves the crossing, how much time is required until its speed reaches 34.9 m/s?

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