[填空题]
Suppose our Sun eventually collapsesmneie:(0nc2a cqh5;n+uleh-7kdr1 uinto 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 Sun’s ne uh+ eqd17 rck5nhu-l;w 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?$KE_{f}$= $KE_{i}$