A-LevelMathematicsMechanicsFeb/Mar 2025Paper 4 Q25 Marks
A cyclist is travelling along a straight horizontal road at a speed of 4 ms⁻¹ when she passes a point O. She accelerates at a constant rate for a distance of 42 m, reaching a speed of V ms⁻¹. She maintains the speed of V ms⁻¹ for 50m and then decelerates at 2 ms⁻² before coming to rest. The distance travelled while decelerating is 16m.
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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