A-LevelPhysicsWork, energy and power9702/12 · Oct/Nov 2025 · Q181 Mark
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
✓ Correct answer
A: 0.6 m
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