Higher June 2022 Paper 1 Q25
25 Here is the speed-time graph for a 50-second journey.
(a) Circle the acceleration, in m/s\(^2\), halfway through the journey. [1 mark]
- 0
- 2
- 20
- 25
(b) Work out the total distance travelled. [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| 0 | B1 |
| Answer | Mark | Comments |
|---|---|---|
| \(\dfrac{1}{2} \times (50 + 30) \times 20\) | M1 | oe complete method to work out the area of the trapezium eg \(\dfrac{1}{2} \times 10 \times 20 + 20 \times 30 + \dfrac{1}{2} \times 10 \times 20\) or \(50 \times 20 - \dfrac{1}{2} \times 10 \times 20 - \dfrac{1}{2} \times 10 \times 20\) or \(40 \times 20\) |
| 800 | A1 |