[填空题]
Suppose our Sun eventually colly:5 c k w07ku+pfxh*wutld+ c0ap pol vmm14fxmoq9 9t0,d* ky:sses into a white dwarf, losing about half its mass in the process, anvm1*t9 9o f4omx y:msq l0k,pdd winding 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
