[填空题]
Suppose our Sun eventually collapsh ekywd dd)if,a) /9y5es intbsqlb7kr s+yo9 : 4uh.zvz(h( o a white dwarf, losing about half its mass 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 rota s.z:h+(k lb(bqzs9 v7h4rou ytion 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
