[填空题]
Suppose a star the size wjwop q)(:wx3o6h d/iof our Sun, but with ma55*kj + gywjjsv29rgh3 dqe (fv,gmu/ ss 8.0 times as great, were rotating at a speed of 1.0 revolution every 12 days. If it we(+5qvjewh3kr f s952jd/,g gmu *gjvyre 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
