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SM_chapter10

# SM_chapter10 - 10 Rotation of a Rigid Object About a Fixed...

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*Q10.9 answers (a), (b), and (e). The object must rotate with nonzero angular acceleration. The center of mass can be constant in location if it is on the axis of rotation. Q10.10 You could use ω α = t and v = at . The equation v = R ω is valid in this situation since a R = α . Q10.11 The angular speed ω would decrease. The center of mass is farther from the pivot, but the moment of inertia increases also. *Q10.12 answer (f ). The sphere of twice the radius has eight times the volume and eight times the mass.
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