[填空题]
Suppose our Sun eventuallyl1w+hrgf c a5/zqze 0p68 up0e collayn2/k tyeh3nx1atq 9 5pses into a white dwarf, losing about half its mass in the process, and winding up with ae2htn/xy5nya t 319kq 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?$KE_{f}$= $KE_{i}$