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8.1 Physics on the move

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Question 30
H

A car travelling at 108 km/h makes an emergency stop. It comes to rest in 4.0 s.

What is the deceleration of the car?

[1]
A

0.13 m/s20.13\ \text{m/s}^20.13 m/s2

B

27 m/s227\ \text{m/s}^227 m/s2

C

120 m/s2120\ \text{m/s}^2120 m/s2

D

7.5 m/s27.5\ \text{m/s}^27.5 m/s2

Markscheme

8.1 Physics on the move Questions

  1. GCSE
  2. /Physics
  3. /8.1 Physics on the move

50 exam-style questions on OCR GCSE Physics 8.1 Physics on the move, covering 8.1.1 Typical everyday speeds, 8.1.2 Typical everyday accelerations, 8.1.3 Ratios, units and rates on the road, 8.1.4 Human reaction times, 8.1.5 Factors affecting stopping distance, 8.1.6 Stopping distances at different speeds, 8.1.7 Dangers of large decelerations, 8.1.8 Estimating forces in road situations, and 8.1.9 Estimating the effects of large accelerations. Each one has a worked solution and a mark scheme showing where the marks go.

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