O-LevelPhysicsEnergy & Work5054/11 · May/June 2016 · Q111 Mark

A child slides down a slide. The weight of the child is 250 N. The height of the slide is 7.0 m. The work done against friction as the child travels down the slide is 1300 J. What is the change in gravitational potential energy and what is the final kinetic energy of the child?

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A1750, 450

B1750, 1750

C17500, 16200

D17500, 17500

✓ Correct answer

A: 1750, 450

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2016 Paper 1 Variant 1, question 11.

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