[填空题]
Suppose our Sun even 2wn1o)z7i gkztually collapses into a whie6r fesm6ja ,s41xg,op 6ppg+te dwarf, losing about half its mass in the process, and winding up with a radius 1.0% of its,earp ggs6p 61+jx, me4 o6fsp 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?$KE_{f}$= $KE_{i}$
Post time 2025-2-18 20:00:22
