[填空题]
Suppose our Sun eventually collapses.bu.b2m 8hf )i;ke pz,pf7zj v into a whitqgzna. i 6t1d9e dwarf, losing about half its mass in the prociq d6at9g 1.zness, 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
