A-LevelPhysicsWork, energy and powerMay/June 2013Paper 1 Q161 Mark
A bow of mass 400g shoots an arrow of mass 120g vertically upwards. The potential energy stored in the bow just before release is 80 J. The system has an efficiency of 28%. What is the height reached by the arrow when air resistance is neglected?
A4 m
B19 m
C187 m
D243 m
✓ 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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