[填空题]
Suppose our Sun eventually colla*o i9u9vs*r du*baf dq-c6th:pses into a white dwarf, losing about half i s itmz,qw(dxbo.6h ie .+rz2kh(j28bts mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries away no angular momentum, what would the Sun’s new rotati.w.zrob(tsm2exd,8 b+ihk hqj2 ( iz6on rate be?(round to the nearest integer)$\approx$ $rad/s$ (Take the Sun’s current period to be about 30 days.) What would be its final KE in terms of its initial KE of today?$KE_{f}$= $KE_{i}$
Post time 2025-2-18 20:00:22
