Question

The weight of a metal body in water is 1/3 of its weight in air. What is the density of the material of the body? Ρw = 103 kg/m3

Answer 1

density=mass÷volume ,weiht=mass×gravity so,mass of metal body =1/3÷10=1/30 now density of metal body =1/30/103=1/3090=0.0003236