[填空题]
Suppose a star the size of our Sun, but witz y2,m6d8ysi,,h gqcq w/zyv cx6+g9k h mass 8.0 times as great, were bbzl:- gwj kz )7+*;sajsc8b hrotating at a speed of 1.0 revolution every 12 dbbjz gjl as7; -)w+ks:bh8z c*ays. 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
