A-LevelPhysicsWork, energy and powerFeb/Mar 2021Paper 2 Q210 Marks
(b) A beach ball is released from a balcony at the top of a tall building. The ball falls vertically from rest and reaches a constant (terminal) velocity. The gravitational potential energy of the ball decreases by 60 J as it falls from the balcony to the ground. The ball hits the ground with speed 16 ms⁻¹ and kinetic energy 23 J.
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