Задача id16348

A train passes by an observer standing on the platform. The first train car passed the observer in time t1 = 1 s, the second - in time t2 = 1.5 s. Find the speed of the train at the beginning and end of the observation, as well as the acceleration of the train, assuming the train’s motion to be uniformly variable. The length of each car is l = 12 m.

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