A man first swims in sea water and then in river water.
i)compare the weights of sea water and river water displaced by him.
ii) where does he find it easier to swim and why?
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ii)where does he find it easier to swim and why?
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In sea water because the density of sea water is more than that of river water so his weight is balanced in sea water with his less part submerged inside it.
Since, the density of sea water is more, upthrust will be more in case of sea water and therefore it will easier for a man to swim in sea water as the upthrust would push him up.
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