What is the answer to this physics problem?

Suppose our Sun eventually collapses into a white dwarf, in the process losing about three fourths of its mass and winding up with a radius 3.0 percent of its existing radius. What would its new rotation rate be? (Take the Sun's current period to be about 30 days.)
rad/s
What would be its final KE in terms of its initial KE of today?
(KEfinal / KEinitial) =

JK2009-03-12T14:06:52Z

Favorite Answer

I apologize in advance that I wouldn't be able to answer this, I just wanted to say that I took a chemistry exam last week and my brain is fried.

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