A uniform solid brass sphere is rotating with angular speed ωo about a diameter. If its temperature is now increased by 1000C. If its new angular speed is kω0, find k. (Given: αbrass =2.0×10−5 per 0C )
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Detailed Solution
Variation of moment of inertia with temperatureI=Io(1+2αΔT)C.O.A.M:liωi=Ifωf