[填空题]
Suppose a star the s ks5hbk 9 g /7yh.jc.gdvv;k8q6nreu4ize of our/orwvr )r*v.,jup w/p Sun, but with mass 8.0 times as great, were rotating 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, losiww, /u*jrvr p)rpv /o.ng 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
