A body of mass 70kg,when completely immersed in water,displaces 20,000cm​3 of water.Find-(i)the mass of body in water and (ii)the relative density of body.
Please give the answer by tonight i have a physics test tommorow.please.

i) Weight of the body in water,
W'=W-VdρgW'=70000×980-20000×980=50000 gm-wt
ii) Density of the body,
ρ'=mVd=7000020000=3.5 gm/cc

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