Physics (AS & A Level) · May / June 2020 · Paper 13 · Question 18

A ball slides down a curved track, as shown. Point X is at a height of 0.40 m above point Y. The speed of the ball at point X is 2.5 m s⁻¹. Frictional forces are negligible. What is the speed of the ball at point Y?

1. A2.8 m s⁻¹
2. B3.2 m s⁻¹
3. C3.8 m s⁻¹
4. D14 m s⁻¹

As printed in the paper