[填空题]
Suppose a star the sizfn,6ox+/ n 3k/x8ezazg, dt26ht9li6c revu ne of our Sun, but with mass 8.c77;ehf pe.0xbu:.cxvl ; 5sbc zca .mm;ky,n 0 times as great, were rotating at a speed of 1.0 revolution every 12 days. If it were to undergo gravitationalc7xu, ym;k nc c sz;xvh.mb.e c; 0l.p7f5eab: 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
