5.3 Plenary 2 04 October 2011 14:06
· How can you make a cannonball float? Explanation below… Density of Mercury = 7.9g/cm3 or 7,900kg/m3 Density of Iron = 13.6g/cm3 or 13,600kg/m3 NOTE LESS DENSITY = FLOATS MORE (E.G. OIL LESS DENSE THEREFORE FLOATS ON TOP OF WATER)
· How can you make a cannonball float? Explanation below… Density of Mercury = 7.9g/cm3 or 7,900kg/m3 Density of Iron = 13.6g/cm3 or 13,600kg/m3 NOTE LESS DENSITY = FLOATS MORE (E.G. OIL LESS DENSE THEREFORE FLOATS ON TOP OF WATER)
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