Mathematics (AS & A Level) · Oct / Nov 2019 · Paper 42 · Question 7

1 P Q 0.8 m 0.3 kg 0.2 kg Two particles P and Q, of masses 0.3 kg and 0.2 kg respectively, are attached to the ends of a light inextensible string. The string passes over a fixed smooth pulley which is attached to the edge of a smooth plane. The plane is inclined at an angle 1 to the horizontal, where sin 1 = 3 5. P lies on the plane and Q hangs vertically below the pulley at a height of 0.8 m above the floor (see diagram). The string between P and the pulley is parallel to a line of greatest slope of the plane. P is released from rest and Q moves vertically downwards.

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