A swimmer completes three lengths of a 25 m swimming pool in 50 s.
What is the average speed of the swimmer?
0.50 m/s0.50\ \mathrm{m/s}0.50 m/s
0.67 m/s0.67\ \mathrm{m/s}0.67 m/s
2.0 m/s2.0\ \mathrm{m/s}2.0 m/s
1.5 m/s1.5\ \mathrm{m/s}1.5 m/s
96 exam-style questions on Edexcel GCSE Physics 2.2 Speed, velocity and acceleration, covering 2.2.1 Speed and distance–time graphs, 2.2.2 Acceleration and the uniform-acceleration equation, 2.2.3 Velocity–time graphs, and 2.2.4 Measuring speed, typical speeds and free-fall acceleration. Each one has a worked solution and a mark scheme showing where the marks go.