Question: Our Sun will eventually collapse into a white dwarf star, losing about half its mass in the process, and winding up with a radius 1

Our Sun will eventually collapse into a white dwarf star, losing about half its mass in the process, and
winding up with a radius 1.0% of its existing radius. Assuming the mass lost carries away no angular
momentum, what would the Suns new rotational period be? The Suns current rotational period is about
30 days.

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