3. A gymnast initially has a moment of inertia of 6kgm∧2 and rotation rate of 12rad/s. His rotation rate slows to 8rad/s
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3. A gymnast initially has a moment of inertia of 6kgm∧2 and rotation rate of 12rad/s. His rotation rate slows to 8rad/s
3. A gymnast initially has a moment of inertia of 6kgm∧2 and rotation rate of 12rad/s. His rotation rate slows to 8rad/s because he extends his arms and legs. What is his new moment of inertia?
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