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)
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