A body of mass 70kg,when completely immersed in water,displaces 20,000cm3 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. Share with your friends Share 10 Pratyay Ghosh answered this i) Weight of the body in water, W'=W-Vdρg⇒W'=70000×980-20000×980=50000 gm-wt ii) Density of the body, ρ'=mVd=7000020000=3.5 gm/cc -27 View Full Answer