To calculate a number using rough figures.
References
AQA
- Estimates, pages 257-258, 283, GCSE Physics; Third Edition, Oxford University Press, AQA
Edexcel
- Estimates, page 343, GCSE Physics, CGP, Edexcel
- Estimates; accelerations, pages 25, 53, GCSE Physics, CGP, Edexcel
- Estimates; stopping distances, page 51, GCSE Physics, CGP, Edexcel