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2.1 Motion

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Question 23
H

A motorcycle accelerates uniformly from rest to 15 m/s in 10 s.

It then travels at a constant speed of 15 m/s for a further 20 s.

What is the average speed of the motorcycle over the whole 30 s?

[1]
A

7.5 m/s7.5\ \text{m/s}7.5 m/s

B

11.25 m/s11.25\ \text{m/s}11.25 m/s

C

12.5 m/s12.5\ \text{m/s}12.5 m/s

D

15 m/s15\ \text{m/s}15 m/s

Markscheme

2.1 Motion Questions

  1. GCSE
  2. /Physics
  3. /2.1 Motion

43 exam-style questions on OCR GCSE Physics 2.1 Motion, covering 2.1.1 Measuring distance and time, 2.1.2 Measuring speed, 2.1.3 Ratios, units and rates in motion, 2.1.4 Scalars and vectors in motion, 2.1.5 Distance-time and velocity-time graphs, 2.1.6 Area under a velocity-time graph, 2.1.7 Average speed for non-uniform motion, and 2.1.8 Uniform motion and uniform acceleration. Each one has a worked solution and a mark scheme showing where the marks go.

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