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by akrasuski1
2961 days ago
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I'm pretty sure it doesn't matter whether the eneergy is stored in rotating body, or one moving in a straight line. Kinetic energy of rotation is 0.5 * I * w^2, or for that extreme case of "concrete ring" - 0.5 * m * r^2 * w^2, which is exactly equal to 0.5 * m * v^2, or kinetic energy as calculated for body moving in straight line. |
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