A-LevelMathematicsMechanicsOct/Nov 2024Paper 4 Q46 Marks
A bus travels between two stops, A and B. The bus starts from rest at A and accelerates at a constant rate of a ms⁻² until it reaches a speed of 16 ms⁻¹. It then travels at this constant speed before decelerating at a constant rate of 0.75a ms⁻², coming to rest at B. The total time for the journey is 240 s.
📋 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.
🔒
Unlock the Examiner's Analysis
Sign up for free to reveal the full examiner report, trap analysis, and mark scheme breakdown for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep