A piece of aluminum has density 2.70g/cm 3 and mass775 g. The aluminum is submerged in a container of oil of density 0.650 g/cm3.How much oil does the metal displace?
A solid rock, suspended in air by a spring scale, has a gauged mass of 9.0 kg. When the rock is submerged in water, the scale reads 3.3 kg. What is the density of the rock? (Water density= 1000 kg/m3)