Question

A solid weighs 0.15 kgf in air and 0.10 kgf in water. Calculate the density of the solid in SI units

Answer 1

Mass in air = 0.15 kgf
= 0.15*10 kg
= 1.5 kg.

Mass in liquid = 0.10 kgf
= 0.10*10 kg
= 1kg.

So density of solid = 1.5/ ( 1.5-1) kg/m^3
= 1.5/0.5 kg/m^3
= 3kg/m^3.

Hope it's helpful to u.