[填空题]
Suppose a star the size ofub/ 1*axg :v 6c)u*juok okkg4 our Sun, but with mass 8.0 gmg0rclar:d-l e5z* q3qpd( by 1 .o;itimes 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 eyr(gmb0qqdp-.r5 izc l*g do;a1:l3km, 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
