For linear motion, we know that Ekin = p2/2m.

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Presentation transcript:

For linear motion, we know that Ekin = p2/2m. For angular motion (e.g. rotation), we can make the following assumptions: mass  moment of inertia I linear momentum  angular momentum L As a result, the rotational energy is (A) Erot = L2/2m (B) Erot = p2/2I; (C) Erot = L2/2I

For linear motion, we know that Ekin = p2/2m. For angular motion (e.g. rotation), we can make the following assumptions: mass  moment of inertia I linear momentum  angular momentum L As a result, the rotational energy is (A) Erot = L2/2m (B) Erot = p2/2I; (C) Erot = L2/2I