A diver (such as the one shown in the figure(Figure 1) ) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.2 s when in the tuck position, what is her angular speed (rev/srev/s) when in the straight position?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
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Chapter12: Rotation I: Kinematics And Dynamics
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A diver (such as the one shown in the figure(Figure 1) ) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.2 s when in the tuck position, what is her angular speed (rev/srev/s) when in the straight position?

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