On a cold winter day, the atmospheric pressure at sea level is 102 kPa and the pressure at a height of 3200 m is 68 kPa.
Calculate the percentage change in pressure from sea level to the height of 3200 m.
Give your answer to 2 significant figures.
54 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids (physics only). Each one has a worked solution and a mark scheme showing where the marks go.