An iron casting containing a number of cavities weighs 6130 N in air and 3970 N in water. What is the volume of the cavities in the casting? The density of iron is 7870 kg/m3.
An iron casting containing a number of cavities weighs 6130 N in air and 3970 N in water. What is the volume of the cavities in the casting? The density of iron is 7870 kg/m3.