[填空题]
Suppose our Sun eventually collapses into a whitqxbo0z44a5 ) fx xbmf+z 7uk-ie dwarf, losing about half its 20 frara-87lt5o (dlke znjm 2v6-qatmass in the process, and winding up with a radius 1.0% of its existing radius. Assum zmav-0alo2(ndk87 e-r rfa2qt 5ljt6ing 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?$KE_{f}$= $KE_{i}$
Post time 2025-2-18 20:00:22
