[填空题]
Suppose our Sun eventuar14.q pl25yni q d ewrhk/a:d(4 riqsx+ hgn.x9(wn1a()jboi qmo0c ;lly collapses into a white dwarf, losing about half its mass in the process, angqsicx;n0mhi o4wxj (1br9) +na(o.qd winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries away no angular momentum, what would the Sun’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?$KE_{f}$= $KE_{i}$
