[填空题]
Suppose our Sun eventually colla(rwgq8cngy4 0zqp+3npses into a white dwarf, losing about half ebmd(g lq(k7 ws720ejt(;znsits 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 ge7w(2jez0(q tkl7 ds nm;(sbthe 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
