[填空题]
Suppose our Sun eventually collapses *b8 rxzrr k 53zftkm-fz(h62sinto a white dwarf, loslrw.fkc *l 3f.eq:jj/ing 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 would the Sun’s new rotatiofq*jfk j3.l/.ce w:rl n 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
