[填空题]
Suppose our Sun eventually *0+ l aus6 yf,iwhsm6st1.kdicollapses into a wy4) 8aq2 r yucjr h 2+wtj3gwv;l3g4zahite dwarf, losing about half its mas zrl2v;rjhgju8yg4 3)3aycwq2 t+aw4 s 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?(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
