[填空题]
Suppose our Sun eventuallysegqkzqo pi;(j:ia 1vmp32 ( 1 collapses into a whi7hrm emfn;j/ oz*z h:oa:7 ji-te 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 angular mo7mhz*7 :fer-omjn z/a; iho :jmentum, 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
