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1. A beachball is pushed into the water, it displaces 5N of water. What is the buoyant force on the beachball?


2. A school chair has a volume of about 9,800 cm3, if the density of the chair is 0.650 g/cm3 what is the mass?


3. The mass of a copper sphere is 2.5 g. It has a density of 0.0464 g/cm3. What is its volume?