[填空题]
Suppose our Sun eventually collaps9 nw 6xzin2/:,-ucqhe ca)zwnes inj24ae/38tfrux; r +w(* o gperalj/u wto a white 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 momentum, what would 3 l/4;2geaauorpef*u(xtjr w8 j+ w /rthe 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
