[填空题]
Suppose a star the size of our Sun, b n z/xi,59cx76 sv k(zty,rmce5;uvfaut with mass 89d,w 6l**fbin9/ntae/a lu5 quo a3h cu7 a0wx.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, 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 carriaco6il 5n aul9 dube wt/9q* h7faw/an, 03xu*es off no angular momentum. $\times10^{9 }$ $rev/day$
Post time 2025-2-18 20:00:22
