A-LevelPhysicsForces, density and pressureOct/Nov 2020Paper 1 Q151 Mark
A cylindrical block of ice of cross-sectional area 12 m² is floating, partially submerged, in the sea. The density of the sea water is 1020 kg m⁻³. A polar bear of mass 400 kg steps onto the block of ice. [Figure 15.1] The block of ice sinks a vertical distance d. What is the value of d?
A3.3 mm
B3.3 cm
C0.32 m
D3.1 m
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The correct answer is B. This question tests the candidate's understanding of forces, density and pressure within the Physicssyllabus. The examiner's mark scheme requires...
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