[问答题]
Two solid spheres simultaneously start rolling (from rest) ntkm7c, 4rmh7xzs3 h+dmy7a5 ku3qu u y3bqo- fk.lvj7y/p-4aown an incline. One sphere has twice the radius and twik7p q33la/bu7yo q kaf -ujyv-.45ymuce the mass of the other. Which reaches the bottom of the incline first? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
