raft weight w = volume * density * g = 4^2 * 0.3 * 550 * 9.8 = _____
volume of water displaced w/(1000*9.8) N
so what fraction of the raft is submerged?
A square pinewood raft measures 4m on a side and is 0.3m thick .find how much of raft is beneath water Take density of pine 550kg/m and density of water 1000kg/m
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