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A wooden raft has a mass of 83 kg. When empty it floats in water (density 1000 kg/m3) with 65% of its volume submerged. What mass of sand can be put
A wooden raft has a mass of 83 kg. When empty it floats in water (density 1000 kg/m3) with 65% of its volume submerged. What mass of sand can be put on the raft without it sinking?