[填空题]
Suppose a star the size of our Sun, buv0nikj1bfcrs- j.a 2q(y8(eut with mass 8.0 times as gr;e qvax;k+ eg1)u d5fyn -wvlyu8qv2 +eat, were rotating at a speed of 1.0 revolution every 12 days. If it were to undergo gravitational collanly);a+ve+ef; d-1g q5uvk wx 2yuvq8pse 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
