[填空题]
Suppose our Sun even/seuj0hon30u 1lq l5x re5tp,t sl y5o9c0h0f z282(jctkt zhtually collapses into a white dwarf, losing about half its mass in the process, and winding up with a radius 1.0% of its ex j8y, tsekz9r t2o0(thcf 52t h0p5lczisting 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?$KE_{f}$= $KE_{i}$
