---
title: "A solid sphere is rotating about an axis through its center at a constant rotation rate. Another hollow sphere of the same mass and radius is rotating about its axis through the center at the same rotation rate. Which sphere has a greater rotational kinetic energy? Explain?"
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url: "https://nerd-notes.com/ubq/81004/"
date_modified: "2025-11-10T22:30:08+00:00"
---

# A solid sphere is rotating about an axis through its center at a constant rotation rate. Another hollow sphere of the same mass and radius is rotating about its axis through the center at the same rotation rate. Which sphere has a greater rotational kinetic energy? Explain?

A solid sphere is rotating about an axis through its center at a constant rotation rate. Another hollow sphere of the same mass and radius is rotating about its axis through the center at the same rotation rate. Which sphere has a greater rotational kinetic energy?

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/81004/*