Physics (AS & A Level) · Oct / Nov 2025 · Paper 12 · Question 18
9702Gravitational potential energy and kinetic energy
A ball falls towards the ground from point X. Point X is 2.4 m above the ground. The ball rebounds from the ground and rises to point Y. Point Y is 1.8 m above the ground. A single value of the change in height Δh is used to calculate the change in gravitational potential energy of the ball from X to Y. What is the magnitude of Δh?
- A0.6 m
- B1.8 m
- C2.4 m
- D4.2 m
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Correct answer: A. 0.6 m
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