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23. Asolid sphere of mass M and radius R spinsabout an axis passing through its centre making600 rpm. Its kinetic energy of rotation is(a) T MR(c) 80TMR(b) TMR2(d) 80T MR2 |
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Answer» Option DThe total kinetic energy (KE) of an object is given by: KE=1/2mv2+1/2Iω2KE=1/2mv2+1/2Iω2 whereIIis the moment of inertia of the object andits angular momentum. |
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