[问答题]
Two solid spheres simud1l*1 bzrn*lgbf ec3my: ) 8vvltaneously start rollin-ru0 dwp;56f1qt tcyng (from rest) down an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incline first? Whi;ty1qwcp5 d0 r6u n-tfch has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
