A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2022 · Q11 Mark
Which estimate is reasonable?
A1 × 10³ kg for the mass of a grain of sand
B1 × 10⁻² m³ for the volume of a tennis ball
C1 × 10⁰ J for the work done lifting an apple from waist height to head height
D1 × 10⁴ W for the power of a light bulb in a house
✓ Correct answer
C: 1 × 10⁰ J for the work done lifting an apple from waist height to head height
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