A-LevelPhysicsForces, density and pressure9702/12 · May/June 2022 · Q141 Mark

A granite rock at the surface of the Earth has density ρ. The rock is transported to the surface of another planet. The acceleration of free fall on the surface of the other planet is twice that on the surface of the Earth. What is the density of the rock on the other planet?

A0.5ρ

Bρ

C2ρ

D4ρ

✓ Correct answer

B: ρ

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Topic: Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2022 Paper 1 Variant 2, question 14.

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