A-LevelPhysicsKinematicsMay/June 2022Paper 1 Q61 Mark
The water surface in a deep well is 78.0 m below the top of the well. A person at the top of the well drops a heavy stone down the well. Air resistance is negligible. The speed of sound in the air is 330 m s⁻¹. What is the time interval between the person dropping the stone and hearing it hitting the water?
A3.75 s
B3.99 s
C4.19 s
D4.22 s
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of kinematics within the Physicssyllabus. The examiner's mark scheme requires...
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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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