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A car starts from rest and accelerates at a constant rate traveling a distance of 200...

A car starts from rest and accelerates at a constant rate traveling a distance of 200 m in t s. The car continues to accelerate at the same rate for an additional 135 m. If the speed of the car after it has travelled the (200+135) m is 70 m/s, how long t (in s) did the car accelerate for?

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