A-LevelPhysicsDynamicsMay/June 2025Paper 1 Q91 Mark
A rocket engine ejects 90kg of exhaust gas per second at a velocity of 190 ms¯¹ relative to the rocket. What is the force acting on the rocket due to the ejected gas?
A2.1 kN
B17 kN
C18 kN
D162 kN
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of dynamics 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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