Physics (AS & A Level) · Oct / Nov 2018 · Paper 13 · Question 7
9702Momentum and Newton’s laws of motion
Two isolated spheres have masses 2.0 kg and 4.0 kg. The spheres collide and then move apart. During the collision, the 2.0 kg mass has an average acceleration of 8.0 m s⁻². What is the average acceleration of the 4.0 kg mass?
- A2.0 m s⁻²
- B4.0 m s⁻²
- C8.0 m s⁻²
- D16 m s⁻²
As printed in the paper
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Correct answer: B. 4.0 m s⁻²
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