[填空题]
Suppose a star the size of our Sun, but with mass 8.0 time4nkd,8uogtt k(ia(w hp+.uh .e 0c1 qys as gr08gik ib;p.5ttr 9ia igw,7cyeat, were rotating iy cbgw rg .i89;kt7p,tii05a at a speed of 1.0 revolution every 12 days. If it were to undergo gravitational collapse to a neutron star of radius 11 km, losing three-quarters of its mass in the process, what would its rotation speed be? Assume that the star is a uniform sphere at all times, and that the lost mass carries off no angular momentum. $\times10^{9 }$ $rev/day$
Post time 2025-2-18 20:00:22
