Mathematics (AS & A Level) · Oct / Nov 2021 · Paper 42 · Question 3
9709
As printed in the paper
The question as text
1.8 m A B C The diagram shows a semi-circular track ABC of radius 1.8 m which is fixed in a vertical plane. The points A and C are at the same horizontal level and the point B is at the bottom of the track. The section AB is smooth and the section BC is rough. A small block is released from rest at A.
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3(a)[2]
3(b)[3]
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