Physics

Physics

Problem

A thin spherical shell of mass 0.40 kg0.40\,\text{kg} and radius 0.20 m0.20\,\text{m} possesses rotational kinetic energy 5.0 J5.0\,\text{J}. Determine its angular speed. a) 39.5 rad s−139.5\,\text{rad s}^{-1} b) 25.0 rad s−125.0\,\text{rad s}^{-1} c) 30.6 rad s−130.6\,\text{rad s}^{-1} d) 21.7 rad s−121.7\,\text{rad s}^{-1}

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