There are stars that rotate extremely rapidly and are known as Neutron Stars. Th

Question

There are stars that rotate extremely rapidly and are known as Neutron Stars. They are believed to have been formed from the inner core of a larger star that collapsed due to its own gravitation, to a star of very small radius and very high density. Before collapse, the core had radius R=7 x 105km, had a mass of 2.0 solar masses, and was rotating at 1.0 revolutions every 10.0 days. If it were to undergo gravitational collapse to a neutron star of radius 10.0km, what would its rotation speed be? (assume its a uniform sphere at all times)

Explanation / Answer

1 solar mass = 1.9891

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