Mathematics (AS & A Level) · Oct / Nov 2021 · Paper 41 · Question 2
9709
As printed in the paper
The question as text
Two small smooth spheres A and B, of equal radii and of masses km kg and m kg respectively, where k > 1, are free to move on a smooth horizontal plane. A is moving towards B with speed 6 m s−1 and B is moving towards A with speed 2 m s−1. After the collision A and B coalesce and move with speed 4 m s−1.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[3]
2(b)[2]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.