find the ratio of the skater’s final moment of inertia to his initial moment of inertia.

By Allen Kazadi

As an ice skater begins a spin, his angular speed is 3.14 rad/s. After pulling in his arms, his angular speed increases to 5.94 rad/s. Find the ratio of teh skater’s final momentum of inertia to his initial momentum of inertia.

Answer:

I₂/I₁ = 0.53

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