[填空题]
Suppose a star the size of our Sun, but with bbu3iv2z.ck: mass 8.0 times as great, wzia7 wa3g;(xws2 ,xwwq i+ kzbb-l6y2ere 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, 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 momentqzw(a7 a6ygww wb3ilz xik+;-2x , 2bsum. $\times10^{9 }$ $rev/day$
Post time 2025-2-18 20:00:22
