[填空题]
Suppose our Sun eventuacdf g.2ic7*v hlly collapses into a white dwarf, losing about 8s zwp: nqch37b-y:nnhalf its mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries :phny bw3q7cz8-sn:naway 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?$KE_{f}$= $KE_{i}$
