[填空题]
Suppose our Sun eventually colr) j6hwse02uf ybf41dlapses into afeav b6, 6xm p,ls1lz+ 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 woul 6 ,6vlz1fx+lsp e,mabd 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?$KE_{f}$= $KE_{i}$