[填空题]
Suppose our Sun eventually collapses into a white dwar::zogc. txjm8) r8aan f, losing about half iz 5g0sju,c e8pqa2 1ndb)r *q9ltquw*ts mass in the process, and winding up with a rj9eqpg0 rwunl u)ac8dqq* zbs52t*, 1adius 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
