[填空题]
Suppose a star the size of our Sun, but with4mf;/iwb 4lwj59fccb n s3d*/mx)ues mass 8.0 times as great, ,8hw fyktorhw9 4w1.vwere rotating at a speed of 1.0 revolution every 12 days. If it were to undergo gravitational collapse 8o hwtk,w4.wvfh91y rto 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
