Mathematics (AS & A Level) · Feb / March 2017 · Paper 42 · Question 6

1.2 kg 0.8 kg 0.64 m Two particles of masses 1.2 kg and 0.8 kg are connected by a light inextensible string that passes over a fixed smooth pulley. The particles hang vertically. The system is released from rest with both particles 0.64 m above the floor (see diagram). In the subsequent motion the 0.8 kg particle does not reach the pulley. 2

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