A car travels at a constant speed of 15 m/s while its driver reacts to a hazard. The reaction time is 0.80 s. What is the thinking distance?
12 m12\ \mathrm{m}12 m
0.053 m0.053\ \mathrm{m}0.053 m
15.8 m15.8\ \mathrm{m}15.8 m
18.8 m18.8\ \mathrm{m}18.8 m
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.