CAPE Physics Unit 1 · 2003 · Paper 2 · Question 9(a)(i)b)
Define the following terms: Pressure
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- 9(a)(i)a)Define the following terms: Density[8 marks]
- 9(a)(ii)Derive the equation ΔP = ρgΔh where ΔP is the change in pressure in a liquid, g is the acceleration due to gravity and Δh is the change in depth in a liquid.[1 mark]
- 9(a)(iii)Explain how coastal winds are generated in the Caribbean.[1 mark]
- 9(b)Use the kinetic theory of matter to explain the difference in the order of the size of these densities.[2 marks]
- 9(c)(i)Calculate the pressure due to Liquid L at depths of 3.0 cm and 14.0 cm.[10 marks]
- 9(c)(ii)Find the net force acting on the Liquid L between planes AA₁ and BB₁.[1 mark]
- 9(c)(iii)Determine the weight of liquid between the planes AA₁ and BB₁.[1 mark]
- 9(c)(iv)What is the upthrust on an object which when placed in the Liquid L, caused the liquid level to rise from BB₁ to AA₁?[1 mark]
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