[填空题]
Suppose our Sun eventually collapses into a 5iz gf /ku*6g1z6ol ppwhite dwarf, losing abou3,ckdf ,jz v kxh88eoex1z*0mt half its mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries away zx1f 8m3j, h0vxk oz,c kd*e8eno angular momentum, what would the Sun’s new rotation 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
