[填空题]
Suppose a star the size of our Sun, but with mass 8;ozf: 7j:b1w nb * vvlw6jmb4c.0 times asu m, ds7.-an)ese8qifx qt w.3 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 radiutifq3s m .- .,8 nsed7xu)weqas 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
