[填空题]
Suppose a star the size of our Sun, bh qvlaljb k*,:lo sj(aif 9 )l)8kw0,kut with mass 8.0 times as great, were-m :a.c.)cungm a3 :uenp bvi0js (+ry rotating at a 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 th nau)+ ip-(.ujvn3m:0gy a.sc:c bmr ee lost mass carries off no angular momentum. $\times10^{9 }$ $rev/day$
Post time 2025-2-18 20:00:22
