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8.1 Physics on the move

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Question 27
H

A car travelling at 15 m/s has a braking distance of 14 m.

The car now travels at 30 m/s. The braking force is the same.

What is the new braking distance?

[1]
A

28 m28\ \text{m}28 m

B

42 m42\ \text{m}42 m

C

210 m210\ \text{m}210 m

D

56 m56\ \text{m}56 m

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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