[填空题]
Suppose our Sun eventually collapses in ,jku07p+/cjjmha l ;lto a white dwarf, losing about half ayv)t uz. r 1uzhho-o1pt* /;yqs6(wp 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, whatst6 oowrhp/ p(q*y1y;z)h1zva.t u -u 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
