An 80 kg man floats with 4% of his volume above the surface in fresh water.what is his volume?what volume would be above the surface in Sea water?How great is the upthrust on him in air due to the air he displaces? density of sea water =1030kgm^-3,density of fresh water=1000kgm^-3?
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Asked by obieloka on 20th November, 2022
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