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2.5 Stopping and braking distances

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Question 67
H

A car of mass 1000 kg travels at 20 m/s. The driver sees a stationary obstacle 40 m ahead and reacts for 0.50 s. A constant resultant braking force of 5000 N then acts. What is the speed of the car when it reaches the obstacle?

[1]
A

0 m/s0\ \mathrm{m/s}0 m/s

B

5 m/s5\ \mathrm{m/s}5 m/s

C

10 m/s10\ \mathrm{m/s}10 m/s

D

15 m/s15\ \mathrm{m/s}15 m/s

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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