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The mass of a star is 1.39·10^31 kg and its angular velocity is 1.70E-7 rad/s.

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June 8th, 2024

The mass of a star is 1.39·10^31 kg and its angular velocity is 1.70E-7 rad/s. Find its new angular velocity if the diameter suddenly shrinks to 0.49 times its present size. Assume a uniform mass distribution before and after. Icm for a solid sphere of uniform density is 2/5 mr2.

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