Question
By showing the solution step by step, what is the mass of a steel of sides 10cm if it's relative density is 7.8
Answers
Anonymous
Well "relative" means ratio to water density which is about 1000 kg/m^3
so this metal is about 7,800 kg/m^3
10 cm = 0.10 meter
so
10 * 10 * 10 cm = 0.001 m^3
so
mass = 7.8 kg
so this metal is about 7,800 kg/m^3
10 cm = 0.10 meter
so
10 * 10 * 10 cm = 0.001 m^3
so
mass = 7.8 kg