A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2021 · Q11 Mark

What is not a reasonable estimate of the physical property indicated?

A2 × 10³ W for the power dissipated by the heating element of an electric kettle

B4 × 10² m³ for the volume of water in a swimming pool

C5 × 10⁵ Ns for the momentum of a lorry moving along a road

D6 × 10² N for the weight of a fully grown racehorse

✓ Correct answer

D: 6 × 10² N for the weight of a fully grown racehorse

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Topic: Physical quantities and units, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2021 Paper 1 Variant 2, question 1.

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