A-LevelPhysicsWork, energy and powerMay/June 2021Paper 2 Q38 Marks
A child of weight 330N is at point X at the top of a slide. The slide is at the edge of a swimming pool, as shown in Fig. 3.1. X child, weight 330 N surface of slide 4.0 m surface of water Y 1.1 m water in swimming pool Fig. 3.1 (not to scale) The child moves from rest to the lowest point of the slide that is a vertical distance of 4.0 m below X. The child continues moving towards point Y which is at the end of the slide and a vertical distance of 1.1 m above the lowest point. The kinetic energy of the child at Y is 540 J.
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