[填空题]
Suppose our Sun eventually collapses into a white dwarf, l6bz;yuie s x ;q2./ca h2axg1cosing about half its my/61u h2xxa qzc eb2i.;;cas gi uh)m 2hw7h*cylwl 5 ()qix(rass in the process, and winding up with a rcui2h)xlwihr ((m lqw57h y)* adius 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
