A-LevelPhysicsDynamicsMay/June 2024Paper 1 Q101 Mark
A lead pellet is shot vertically upwards into a clay block that is stationary at the moment of impact, but is able to rise freely after impact. [Figure 10.1] The mass of the pellet is 5.0 g and the mass of the clay block is 95 g. The pellet hits the block with an initial vertical velocity of 200 m s⁻¹. It embeds itself in the block and does not emerge. How high above its initial position will the block rise?
A5.1 m
B5.6 m
C10 m
D100 m
✓ Correct Answer
The correct answer is A: 5.1 m
📋 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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