A car moving aling a straight highway wi...

A car moving aling a straight highway with speed of ` 126 km h^(-1)` is brought to a stop within a distance of ` 200 m`. What is the retardation of the car (assumed uniform ) ans how doest it take fro the car to stop ?

`3.06ms^(-2)`

`4ms^(-2)`

`5.06ms^(-2)`

`6ms^(-2)`

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The correct Answer is:

`v^(2)-u^(2)=2as`

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