[填空题]
Suppose a star the size of our Sun, but with mass 8.0 tim: t-ulml j zx4g7uqxm2u6 nd)3es a-fs/g6p* ;1 nb( vmnli t)q yxxwi+)tvs 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 11qp;ntm/lii)6bxs+wg(ft )x1v yv* n- 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
