# Question: a u pipe was first filled with kerosene then added...

###### Question details

A U pipe was first filled with kerosene then added water. If the mass of kerosene is 0.8 grams/cm^{3} and the density of water is 1 gram/cm^{3} and the cross sectional area is 1.25 cm^{2}. Determine how much water should be added so that the height difference of the kerosene surface is 15 cm

A. 9 ml B. 10 ml C.15 ml D. 23 ml E. 18ml