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Mathematics (AS & A Level) · May / June 2020 · Paper 42 · Question 4

9709

As printed in the paper

The question as text

Small smooth spheres A and B, of equal radii and of masses 4 kg and 2 kg respectively, lie on a smooth horizontal plane. Initially B is at rest and A is moving towards B with speed 10 m s−1. After the spheres collide A continues to move in the same direction but with half the speed of B.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 4(a)[2]

  • 4(b)[3]

  • 4(c)[5]

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