A-LevelMathematicsMechanicsOct/Nov 2022Paper 4 Q25 Marks
Small smooth spheres A and B, of equal radii and of masses 6 kg and 2 kg respectively, lie on a smooth horizontal plane. Initially A is moving towards B with speed 5 m s⁻¹ and B is moving towards A with speed 3 m s⁻¹. After the spheres collide, both A and B move in the same direction and the difference in the speeds of the spheres is 2 m s⁻¹.
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of mechanics within the Mathematicssyllabus. 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep