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4 marksHydrostatics

CSEC Physics · May/June 2022 · Paper 2 · Question 4(a)(ii)

Calculate the liquid pressure that a diver experiences at a depth of 0.5 km below the surface of the sea, given that acceleration due to gravity, g = 10 N kg^-1 and the density of sea water, rho = 1025 kg m^-3.

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  1. 4(a)(i)Define the term 'pressure'. State its SI unit.[3 marks]
  2. 4(b)(i)State Archimedes' principle.[3 marks]
  3. 4(b)(ii)A boat which has a weight of 83 000 N floats in sea water. If the density of the sea water is 1025 kg m^-3, calculate the volume of the sea water displaced by…[5 marks]

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