Question

calculate the volume of a wooden object of mass 280 Kg if density of wooden object is 800 kg per metre cube

Answer 1

mass = 280 kg
density = 800 kg/m^3

d=m/v

800 = 280/v
volume = 0.35 m^3

Answer 2

M = 280 kg/m^3

D = 800 kg/ m^3

V= M/D

= 280/800 = 0.35m^3

Hope it was helpful.