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2.5 Stopping and braking distances

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Question 22

During a braking test, a delivery van travels 46 m from the moment its driver sees a hazard until it comes to rest. The thinking distance is 10 m. When the brakes are first applied, the van has 180 kJ of kinetic energy. The brakes do the same amount of work for each metre the van travels while braking. How much work do the brakes do per metre?

[1]
A

5000 J/m5000\ \mathrm{J/m}5000 J/m

B

18000 J/m18000\ \mathrm{J/m}18000 J/m

C

5 J/m5\ \mathrm{J/m}5 J/m

D

3913 J/m3913\ \mathrm{J/m}3913 J/m

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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