[填空题]
Suppose our Sun eventually collapses tcgwifh)c* j(:rz4x(into a whit 3;tv caq,gpc-q (kqg4:xl.keif: * nae 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?(r;ik -x3p*t. aq:glen c4, vgqa:qk(cf ound 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
