June 2024 Paper 2 Q13
13 A car starting from rest moves forward in a straight line.
The motion of the car is modelled by the velocity–time graph below:

One of the following assumptions about the motion of the car is implied by the graph.
Identify this assumption. [1 mark]
Tick (✓) one box.
- The car never accelerates.
- The acceleration of the car is always positive.
- The acceleration of the car can change instantaneously.
- The acceleration of the car is never constant.
| Scheme | Marks | AO |
|---|---|---|
| Ticks the 3rd box | B1 | 2.2a |
| (1 mark) |
Typical solution
The acceleration of the car can change instantaneously