[填空题]
Suppose our Sun eventuamk e;lwe7w8g4d2 .wsmlly collapses inqsd ,pk scacv,53 u6.fd0 ;sgvakq)5xto 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 car5 ks,cac6ds5qdx.p);vs , 0kqfvga 3uries 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
