Задача 31656.

The subway train accelerates at a speed of 72 km / h during the 12-second acceleration and continues to move at this speed for 2 minutes after which the speed drops to zero in the braking area for 20 s. Determine the distance between subway stations and the average train speed.

A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the formula and the answer.
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