[填空题]
Suppose a star the size of our Sun, but l 1/h1 jhllhy0k8d1vhwith mass 8.0 times as great, were r m:1r9g+xmvh )8q8jk bcyk/seotating 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-quartk/gb ev8h+m:y8rjx9)1q msck ers 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
