[问答题]
Two solid spheres simultaneously start rol iz g;9x x(kma/s 6tloupmo:4)8.swd yling (from rhn 2jc(h60,mckw8x2 sqhr.r qest) down an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incline first? Which has the g,q(hhjx0 8k6 2q.cn rh2m wcrsreater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
