A-LevelPhysicsKinematics9702/12 · Feb/Mar 2019 · Q71 Mark
A stone is thrown vertically upwards from a point that is 12 m above the sea. It then falls into the sea below after 3.4 s. Air resistance is negligible. At which speed was the stone released when it was thrown?
A3.5 m s⁻¹
B6.6 m s⁻¹
C13 m s⁻¹
D20 m s⁻¹
✓ Correct answer
C: 13 m s⁻¹
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