Physics · May / June 2024 · Paper 22 · Question 1

Fig. 1.1 shows two trolleys. On the front of trolley A, there is a wooden rod. Trolley B is initially at rest. As trolley A moves towards the right, the rod enters the modelling clay. Trolley A slows down and trolley B starts moving. The trolleys then stick together and continue moving towards the right. wooden rod modelling clay trolley A trolley B Fig. 1.1 Fig. 1.2 shows the speed−time graph for the two trolleys. 0 0 0.2 0.4 0.6 0.8 0.1 0.2 0.3 0.4 0.5 0.6 t / s speed m / s 0.7 0.8 trolley A trolley B trolley A and B Fig. 1.2 The trolleys start to collide at time t = 0.30 s. At t = 0.50 s, the trolleys are moving at the same speed.

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