[填空题]
Suppose a star the size of o):n2bob hnw ax /tui 1 j0xxc7;v0sjz(ur Sun, but with mass 8.0bkjen8n4+ a(gsxqdj.uu7 */ n times as great, were rotating at a speed of 1.0 revolution nu/j8snu+qj k n7x. a g*4be(devery 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
