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The driver of a car travelling at 45 km/h applies the brakes 50 m from a crosswalk. Assuming the driver applies a constant braking deceleration;

The driver of a car travelling at 45 km/h applies the brakes 50 m from a crosswalk. Assuming the driver applies a constant braking deceleration; find the deceleration required to bring the vehicle to a full stop at the crosswalk.

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