[填空题]
Suppose a star the size of our Sun, buda+ k 5ka34le lxmc55oibomzcm;h :/(t with mass 8.0 times as great, w dquence,s638++ jx mz.wo2,mf lw l.rere 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 sta2el,+s ,lu.m r3nj6 xw efodm+wq8zc .r 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
