[填空题]
Suppose our Sun even4k30l*vc0y ehpjzrs*tually collapses into a white dwarf, losing ab ; k- fkmwdime f:34jwlwr;3o, +1mbxkout 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 new rotation rate k,x-+e; rki m fww1b:wmj 33mf kol;d4be?(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
