Question: A cylindrical hole is drilled through the center of a steel ball bearing shown here in cross section. Denoting the length of the hole by

A cylindrical hole is drilled through the center of a steel ball bearing shown here in cross section. Denoting the length of the hole by L, show that the volume of the steel remaining is equal to the volume of a sphere of diameter L.

A cylindrical hole is drilled through the center of a

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