[填空题]
Suppose our Sun eventually col:9;f xwf +xk8m l)edamlapses into a white dwarf, losing about halfrhxye-ztqgppd8 qsxrq-l)b.99p * ,; its mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming89. q;gz-*q pdy hexsl,r 9-rp)pxbqt 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
