A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right side of the tube, the depth of oil is 6.20cm . On the left side of the tube, the depth of the oil is 2.70cm . The density of the water is 1.00 x 10^3 kg/m^3, and the density of the vegetable oil is 9.20 x 10^2 kg/m^3.
Part A Find the difference in fluid level between the two sides of the tube.