A car travels along a road at a constant speed of 18 m/s.
The driver sees a hazard. The driver's reaction time is 0.70 s.
Calculate the thinking distance.
The braking distance of the car is 24 m.
Calculate the stopping distance of the car.
The driver has drunk alcohol.
Explain how this affects the thinking distance of the car at the same speed.
Give two factors, other than drugs or alcohol, that can increase a driver's reaction time.
126 exam-style questions on Edexcel GCSE Physics 2.5 Stopping and braking distances, covering 2.5.1 Stopping distance and reaction time, 2.5.2 Factors affecting stopping distance, 2.5.3 Dangers of large decelerations, and 2.5.4 Braking distance and initial speed. Each one has a worked solution and a mark scheme showing where the marks go.