A camera records a lizard running along a straight marked track. The average speed of the lizard between two frames is 0.60 m/s.
| Frame number | Position in m\mathrm{m}m |
|---|---|
| 24 | 0.40 |
| 84 | 2.20 |
What is the recording rate of the camera?
36 frames per second36\ \text{frames per second}36 frames per second
180 frames per second180\ \text{frames per second}180 frames per second
20 frames per second20\ \text{frames per second}20 frames per second
14 frames per second14\ \text{frames per second}14 frames per second
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.