[填空题]
Suppose a star the size of our Sun, but with ma nf94g-xi74cw;0fsdvrxtytd ,l)2c l ss 8.0 times as great, were rotati w2 0 4nvt9 c- gs,)7dfdfcylrxl4;xt5u8 /6tbie,m0 gqvw-vcd )pv oing at v0w ivo8b mud6)- gcpqe, 5/vta speed of 1.0 revolution every 12 days. 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
