[填空题]
Suppose a star the si ke970nbrl 81a uc 5;vip,.a njxewpk)ze of our Sun, but with ma. ;xh nj+4u xcx: :wckvgfbe)3ss 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 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 ang hxb.: c 4xe+j;f:cwnuvkx)3 gular momentum. $\times10^{9 }$ $rev/day$
Post time 2025-2-18 20:00:22
