A hollow steel ball of diameter 3 m barely floats in water.What is the wall thickness of the ball? (ρFe = 7.87 g/cm³) A)6.6 cm B)37 cm C)131 cm D)79 cm

Question

Quizplus · Accepted Answer

The volume of the steel must equal the volume of water displaced for the ball to barely float. Using the density of steel and the volume of the sphere, the wall thickness can be calculated to be approximately 6.6 cm.

A Hollow Steel Ball of Diameter 3 M Barely Floats