[填空题]
Suppose a star the size zg)4)eas .j:)7kfxc yh1cbpg -gk )ggof our Sun, but with mass 8.0 times as great, were rotk3euk 0mpt+o6n1t /akating at a speed of 1.0 revolm/np1ka+kt u te o360kution 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 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
