[填空题]
Suppose a star the size of ours- 2s6rbz3j:nft i,ffy9sg4m*d 6;jvpzg4 i p Sun, but with mass 8bs ,k/wx y;q3k oix40b.0 times as 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 k4oq0/; si b,w3xbxyk 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
