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Stopping Distance

Stopping distance = thinking distance + braking distance
When a car is moving it takes a certain amount of time to stop the car if an obstacle or hazard is encountered.The time taken to bring the car to a halt is the reaction time of the driver and the time it takes for the velocity of the car to decrease to zero.

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Specification: AQA Physics (7407), AS-level, 3.4.1.5 Newton's laws of motion. Topic: Newtons Laws of Motion.

Key terms in this lesson

Momentum
The product of an object's mass and its velocity; a vector quantity, conserved in any interaction provided no external resultant force acts.

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