A-LevelMathematicsMechanicsMay/June 2025Paper 4 Q411 Marks
A car is travelling along a straight horizontal road. The car passes through a point A, on the road travelling at a speed of 15ms⁻¹, and then accelerates uniformly at 0.4ms⁻² for 30 seconds. The car then moves at constant speed for 37 seconds, where T < 30. The car then decelerates uniformly at 0.2 ms⁻² and after a further T seconds passes through a point B on the road. [Figure 4.1]
📋 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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