A lorry is tested on a dry road. The mean braking force is the same in both tests.
| Test | Mass of lorry in kg | Speed in m/s | Reaction time in s | Braking distance in m |
|---|---|---|---|---|
| 1 | 5000 | 10 | — | 10 |
| 2 | 7500 | 20 | 0.60 | — |
Calculate the stopping distance of the lorry in test 2.
126 exam-style questions on Edexcel GCSE Physics 2.5 Stopping and braking distances, covering 2.5.1 Stopping distance and reaction time, 2.5.2 Factors affecting stopping distance, 2.5.3 Dangers of large decelerations, and 2.5.4 Braking distance and initial speed. Each one has a worked solution and a mark scheme showing where the marks go.