What is the ratio of the new rotational kinetic energy

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Q. The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy?

Reference no: EM1390913

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What is the ratio of the new rotational kinetic energy : The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy.

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