A 10.0-cm³ object floats in water with 90.0% of the object below the surface. The object's mass is A) 1.0 g. B) 9.0 g. C) 11 g. D) Hold on! The solution of this problem requires the object's density.

Question

Quizplus · Accepted Answer

The object displaces 90% of its volume in water, which means its density is 90% of water's density. Since water's density is 1 g/cm³, the object's density is 0.9 g/cm³. Therefore, the mass is 0.9 g/cm³ * 10 cm³ = 9 g.

A 100-Cm3 Object Floats in Water with 90

A 100-Cm³ Object Floats in Water with 90