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2.5 Stopping and braking distances

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Question 37
H

A car travels along a motorway at 31 m/s.

a.

The driver's reaction time is 0.75 s.

Calculate the thinking distance.

[2]
b.

The driver starts using a mobile phone. The driver's reaction time increases to 1.5 s.

Explain how this affects the stopping distance of the car.

[2]
c.

Drivers are advised to leave a much larger gap behind the vehicle in front when the road is icy.

Explain why.

[3]
Markscheme

2.5 Stopping and braking distances Questions

  1. GCSE
  2. /Physics
  3. /2.5 Stopping and braking distances

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.

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