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A small solid glass sphere, with a mass m and radius r, is placed on the inclined section of the metal track shown below, suc
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a we know that, mi ning Vi = V RO The total energy of the object at the top of the loopis Tiež mye omghtI co? mg bietom (Vag13541 = 20 mg Along vesitical, mg fs = ma ng. Ia = ma a= mg -fsir ID mums = 9 m+ 2 mo? E5y =-maſ -- mg î ILE Fg) = Eng

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