A car moving along a stainght highway wi...

A car moving along a stainght highway with a speed of `72 kmh^(-1)` is brought to a stop within a distance of 100m. What is the retardation of the car and how long does it takes for the car to stop ?

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A car moving along a straight highway with a speed of 72 km h^(-1) is brought to a stop within the distance of 100 m . What is the retardation of the car and how long does it take for the car to stop ?

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