[填空题]
Suppose our Sun eventually collapses into a white dwax; sgao2txp71 rf, losin0m9q7r ij pi*cr .(2pee; xxksg about half its mass in the process, and w pjk;27ei9r0mxcxi(rpes. q *inding 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
