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2.5 Stopping and braking distances

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Question 69
H

A passenger of mass 60 kg is brought to rest from 12 m/s in a collision. A safety device increases the stopping time from 0.060 s to 0.24 s. By how much does the magnitude of the mean resultant force on the passenger decrease?

[1]
A

3000 N3000\ \mathrm{N}3000 N

B

12000 N12000\ \mathrm{N}12000 N

C

9000 N9000\ \mathrm{N}9000 N

D

15000 N15000\ \mathrm{N}15000 N

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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