2. A U-shaped vessel contains water (pw-1000. kg/m) and oil (po-810. kg/m). The fluids do not mix. Answer these questions explaining why your answer makes sense given the equation P = Po+pgAh (a) Where is the pressure higher, at A or at B? Defend your answer. (b) If the height of the oil column, h, is 7.50 cm, find the difference between the tops of the columns, d. A d B h cil water