A-LevelPhysicsKinematicsFeb/Mar 2020Paper 1 Q71 Mark
A car moves with uniform acceleration along a straight road. Oil leaks from the car at the rate of one drop every two seconds. The diagram shows the distances between three successive oil drops on the road. [Figure showing three successive oil drops with distances 9.0 m and 12.0 m between them] What is the acceleration of the car?
A0.75 ms-2
B1.5 ms-2
C3.0 ms-2
D6.0 ms-2
✓ Correct Answer
The correct answer is A: 0.75 ms-2
📋 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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