A-LevelPhysicsDynamicsMay/June 2012Paper 1 Q161 Mark
A sphere is released from rest in a viscous fluid. Which graph represents the variation with time t of the acceleration a of the sphere?
AAn acceleration-time graph starting at a positive maximum and increasing linearly with time.
BAn acceleration-time graph starting at a positive maximum and increasing non-linearly with time, curving upwards.
CAn acceleration-time graph starting at a positive maximum and decreasing linearly with time, reaching zero.
DAn acceleration-time graph starting at a positive maximum and decreasing exponentially with time, approaching zero.
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of dynamics within the Physicssyllabus. The examiner's mark scheme requires...
📋 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...
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