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A driver of car takes -20 s (which is th...

A driver of car takes `-20 s` (which is the reaction time of dricer ) to apply the brkes after he sees an obstruction at a distance of `25 m` from him . If he is driving car at a speed of `54 km h^(-1)` and the brakes cause a deceleration of `6.0 km h^(-2), predict whether he will avert collistion or not.

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A driver takes 0.20 s to apply the brakes after he sees a need for it. This is called the reaction time of the driver. If he ils driving a car at a speed of 54 km/h and the brakes cause a deceleration of 6.0 m/s^2 , find the distance travelled by the car after he sees the need to put the brakes on.

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