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    Finding the Ratio of Final Period to Initial Period

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    A uniform sphere, mass M= 84 kg, radius R, has two uniform, thin, flexible bars each with mass m= 25 kg, and length half a circumference, wrapped on its surface as shown in Fig. 1. The system is rotating with a period To about a c.m. axis at center. At some instant, the bars fly outward to form a new configuration shown in Fig. 2.
    Find the ratio of the final period Tf to the initial period To.

    See attachment for a diagram of the system.

    © BrainMass Inc. brainmass.com February 24, 2021, 2:12 pm ad1c9bdddf
    https://brainmass.com/physics/angular-momentum/ratio-final-period-initial-period-6780

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    Provides steps necessary to find the ratio of the final period Tf to the initial period To.

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