Question
input energy = 800 J, useful output energy = 560 J
[2 marks]
Calculation
Type your answer
Include the unit — in Paper 4 the final mark needs the correct unit (e.g. 5.3 × 10⁵ N).
Modelled on Cambridge 0625 · Oct/Nov 2025 · Paper 43 · Q3(a)(ii)
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Modelled on Cambridge 0625 · Oct/Nov 2025 · Paper 43 · Q3(a)(ii)