[填空题]
Suppose our Sun eventually col boq2j lj;ja; t1s;x+dlapses into a white dwarf, losing aboutj3 w1o lm. n4tlbg-8mb half its mass in the pr1lowtl gbnmb3 m4j.8-ocess, 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 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
