O-LevelPhysicsEnergy & Work5054/12 · Oct/Nov 2017 · Q81 Mark

A tennis ball of mass 56 g is travelling at 1500 metres/minute. Which expression is equal to the kinetic energy, in joules, of the tennis ball?

A½ × 0.056 × (25)²

B½ × 0.056 × (1500)²

C½ × 56 × (25)²

D½ × 56 × (1500)²

✓ Correct answer

A: ½ × 0.056 × (25)²

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Topic: Energy & Work, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2017 Paper 1 Variant 2, question 8.

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