[填空题]
Suppose our Sun eventuallyf9fp *sy dr(dol h16j5s (6ydg co-exnke1b 5 ks,b9vd/j llapses into a 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 angdj -b1ex5b9s vkn/ek,ular 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
