moment of inertia ar answer using two

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Answer both.. no handwritten.. AA31

A certain alarm clock ticks four times each second, with each tick representing half a period. The
balance wheel consists of a thin rim with radius 0.58cm, connected to the balance staff by thin spokes
of negligible mass. The total mass of the balance wheel is 0.85g.
Part A
What is the moment of inertia of the balance wheel about its shaft?
Express your answer using two significant figures.
Part B
What is the torsion constant of the hairspring?
Express your answer using two significant figures.
Transcribed Image Text:A certain alarm clock ticks four times each second, with each tick representing half a period. The balance wheel consists of a thin rim with radius 0.58cm, connected to the balance staff by thin spokes of negligible mass. The total mass of the balance wheel is 0.85g. Part A What is the moment of inertia of the balance wheel about its shaft? Express your answer using two significant figures. Part B What is the torsion constant of the hairspring? Express your answer using two significant figures.
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