[问答题]
Two solid spheres simultaneously start rolling (j0c f*iohio yu3)yy,9 from rest) downtzy 3ckih 18y9 an incline. One sphere has twice the radius and twice thez ch9k8 3ity1y 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
