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An automobile starts from rest and accel...

An automobile starts from rest and accelerates unifomly for ` 30 second to a speed of ` 72 km h^(-1)`. It then moves with a uniform veocit and it is finally brought to rest in `50 m` with a constant retardation. If the total distance travelled is ` 950 m`, find the accleration, the retaradation and total time taken.

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