[填空题]
Suppose our Sun eventually collapsesr b,dtwe k2)hh07v4z g/m3 zo/ xn+s4v 4a;,iofyxilb into a white dwarf, losing about half its 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 rotation rate be?lo344m/f+xn sy aiziv b ;x/o,(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
