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15.2 Pressure in fluids

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Question 43
H

A tank contains a 0.30 m layer of oil above a 0.50 m layer of water. The liquids do not mix. Oil has density 800 kg/m3 and water has density 1000 kg/m3. Take g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg. Use p=hρgp=h\rho gp=hρg. What is the pressure at the bottom due to the two liquids alone?

[1]
A

6400 Pa6400\ \mathrm{Pa}6400 Pa

B

7400 Pa7400\ \mathrm{Pa}7400 Pa

C

8000 Pa8000\ \mathrm{Pa}8000 Pa

D

10400 Pa10400\ \mathrm{Pa}10400 Pa

Markscheme

15.2 Pressure in fluids Questions

  1. GCSE
  2. /Physics
  3. /15.2 Pressure in fluids

132 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids, covering 15.2.1 Atmospheric pressure and height, 15.2.2 Pressure in fluids, 15.2.3 Pressure, force and area, 15.2.4 Pressure and depth, 15.2.5 Pressure in liquids: depth and density, 15.2.6 Upthrust, and 15.2.7 Floating and sinking. Each one has a worked solution and a mark scheme showing where the marks go.

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