[填空题]
Suppose a star the s .c0;-:u* kjz9dc ;gepge cf4)yihvp nize of i0jg(8j.6)ecrxcjsqyk1 f s* our Sun, but with mass 8.0 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 fj i.*j1 )ckge 6sxq 8(jrys0cof 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
