[填空题]
Suppose our Sun eventually col.mgsa7/h0ux:4mu iwk lapses into a white dw+52tvoi*xr *s05peetf j;unvu2qoj 6 bka(3yarf, losing about half its mass in the process, and winding up withj*f3xiutsj20 yn;*a(+oe vr buqpe5k5 ov62t 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
