[填空题]
Suppose our Sun eventuad ppg 62(xpgbwts2ej ,gh jgx+8 8-8nslly col/i )pstii e.-klapses into a white dwarf, losing about half its mass in the process, and winding up with a radius 1it)e isip/-k. .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
