How to find energy lost by thrsystem in rotational motion formula?
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Kinetic energy is the energy of moving objects, including objects that are rotating. The kinetic energy of a rotating object depends on the object's angular (rotational) velocity in radians per second, and on the object's moment of inertia. Moment of inertia is a measure of how easy it is to change the rotation of an object. Moments of inertia are represented with the letter I, and are expressed in units of kg∙m2. The unit of kinetic energy is Joules (J). In terms of other units, one Joule is equal to one kilogram meter squared per second squared
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