[填空题]
Suppose our Sun eventually collapses into a white dwrx4i 58p1scfhbay gd0hv 7)/b arf, losing about half its ;pjs* w cfxzw,ooyb/hx:39 ,g mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries awf39yw ow*s z xh,:gc obp/,;jxay 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
