[填空题]
Suppose our Sun eventg2qzb-a w ti8 :(sndmrv.pw)4u szxqqixf4 x:p6t,l; y 80qo+c/tj n;hally collapses into a white dwarf, losing about half its mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries away no angular momentum, what would the Sun0 :y /p,8tiqfcsxtq zjnx q6olhx ;4;+’s new rotation rate be?(round to the nearest integer)$\approx$ $rad/s$ (Take the Sun’s current period to be about 30 days.) What would be its final KE in terms of its initial KE of today?$KE_{f}$= $KE_{i}$