A-LevelMathematicsMechanics9709/43 · Oct/Nov 2025 · Q13 Marks
The diagram shows the velocity-time graph for the motion of an athlete. The athlete runs in a straight line from point A to point B, runs back to point A and finishes at point B. The graph consists of four straight line segments. [Figure 1.1]
- (a)Find the deceleration of the athlete 7 seconds after leaving A.[1]
- (b)Find the total distance travelled by the athlete.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2025). The mark or mark type is shown in brackets.
- [1] 1.6 ms⁻² oe e.g. 8/5 etc. Condone -1.6.
- [1] Correct expression for the area of either one of the right-angled triangles with base length 5 or one of the isosceles triangles of base length 10. Sight of 40 or 20 as part of a total distance calculation can score this mark.
- [1] 120 m
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