[填空题]
Suppose a star the size of our Su ;ho3ahaekj; 4w7 u/zln, but with mass 8.0 tizp* u0om/)ywvw *s9 iati735vc0 drgdmes 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 3* vcsa* vdz079i5g)wuw m/ 0ptoydiruniform 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
