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Physics (AS & A Level) · May / June 2020 · Paper 12 · Question 13

9702Density and pressure

A pipe, open at one end, floats in a liquid as shown. The cross-sectional area of the pipe is 0.012 m^2. The weight of the pipe is 32 N. What is the density of the liquid?

  1. A680 kg m^-3
  2. B910 kg m^-3
  3. C6700 kg m^-3
  4. D8900 kg m^-3

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Correct answer: B. 910 kg m^-3

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