problem13_48

University Physics with Modern Physics with Mastering Physics (11th Edition)

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13.48: a) Solving Eq. (13.39) for I, ( 29 ( 29 ( 29 . m kg 0987 . 0 m 250 . 0 s m 80 . 9 kg 1.80 2 s 940 . 0 2 2 2 2 2 = = = π mgd π T I b) The small-angle approximation will not give three-figure accuracy for rad. 0.400 Θ = From energy considerations, ( 29 . Ω 2 1 cos 1 2 max I mgd = Θ - Expressing max in terms of the period of small-angle oscillations, this becomes
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Unformatted text preview: ( 29 ( 29 ( 29 . s rad 66 . 2 rad 0.40 cos 1 s 940 . 2 2 cos 1 2 2 2 2 max =- = - = T...
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