[填空题]
Suppose our Sun eventually collapses int-)ni x6h4s ddge-b7 dp)cz7e6ft x *qso a white dwarf, losing about half itsk:v50iv o :npef at5(b mass in the process, andfo5k t5ie0vp: vb :a(n 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
