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Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 40 m apart. The train on the left accelerates rightward at 1.14 m/s2. The train on the right accelerates leftward at 0.91 m/s².

(a) How far does the train on the left travel before the front ends of the trains pass?

(b) If the trains are each 150 m in length, how long after the start are they completely past one another, assuming their accelerations are constant?

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