A-LevelPhysicsWork, energy and powerMay/June 2013Paper 1 Q151 Mark
A ball is thrown vertically upwards. Neglecting air resistance, which statement is correct?
AThe kinetic energy of the ball is greatest at the greatest height attained.
BBy the principle of conservation of energy, the total energy of the ball is constant throughout
its motion.
CBy the principle of conservation of momentum, the momentum of the ball is constant
throughout its motion.
DThe potential energy of the ball increases uniformly with time during its ascent.
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of work, energy and power 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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