A car is travelling at 18 m/s. The driver brakes and the car decelerates uniformly to rest.
The car travels 27 m while it is braking.
How long does the car take to stop?
0.67 s0.67\ \text{s}0.67 s
1.5 s1.5\ \text{s}1.5 s
3.0 s3.0\ \text{s}3.0 s
6.0 s6.0\ \text{s}6.0 s
43 exam-style questions on OCR GCSE Physics 2.1 Motion, covering 2.1.1 Measuring distance and time, 2.1.2 Measuring speed, 2.1.3 Ratios, units and rates in motion, 2.1.4 Scalars and vectors in motion, 2.1.5 Distance-time and velocity-time graphs, 2.1.6 Area under a velocity-time graph, 2.1.7 Average speed for non-uniform motion, and 2.1.8 Uniform motion and uniform acceleration. Each one has a worked solution and a mark scheme showing where the marks go.