In the figure, a 2.70 kg disk of diameter D = 46.0 cm is supported by a rod of length L = 80.0cm and negligible mass that is pivoted at its end. (a) With the massless torsion spring unconnected, what is the period of oscillation? (b) With the torsion spring connected, the rod is vertical at equilibrium. What is the torsion constant of the spring if the period of oscillation has been decreased by 0.500 s? (a) Number (b) Number i Units Units

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Chapter1: Units, Trigonometry. And Vectors
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In the figure, a 2.70 kg disk of diameter D = 46.0 cm is supported by a rod of length L = 80.0cm and negligible mass that is pivoted at its
end. (a) With the massless torsion spring unconnected, what is the period of oscillation? (b) With the torsion spring connected, the rod
is vertical at equilibrium. What is the torsion constant of the spring if the period of oscillation has been decreased by 0.500 s?
(a) Number
(b) Number
Units
Units
L
Transcribed Image Text:In the figure, a 2.70 kg disk of diameter D = 46.0 cm is supported by a rod of length L = 80.0cm and negligible mass that is pivoted at its end. (a) With the massless torsion spring unconnected, what is the period of oscillation? (b) With the torsion spring connected, the rod is vertical at equilibrium. What is the torsion constant of the spring if the period of oscillation has been decreased by 0.500 s? (a) Number (b) Number Units Units L
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