A-LevelPhysicsKinematicsMay/June 2015Paper 1 Q91 Mark
A sprinter runs a 100 m race in a straight line. He accelerates from the starting block at a constant acceleration of 2.5 m s⁻² to reach his maximum speed of 10 m s⁻¹. He maintains this speed until he crosses the finish line. Which time does it take the sprinter to run the race?
A4 s
B10 s
C12 s
D20 s
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of kinematics 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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