A hollow spherical iron shell floats almost completely submerged in water. The outer diameter is 60.0 cm, and the density of iron is 7.87 g∕c m cubed . Find the inner diameter in cm. Express to 3 sig figs.

The inner diameter is 57.3 cm

Explanation:

The inner diameter of the hollow spherical iron shell can be found using the weight of the sphere () and the weight of the water displaced ():

Where D is the density and V is the volume

Where is the outer diameter and is the inner diameter    

Therefore, the inner diameter is 57.3 cm.    

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