[问答题]
Two solid spheres simultaneously start rolling (from rest) down an incline. k2yo*e;rawl* One ay *l2okw ;re*ktdm4+ac2 r ,e 6osxs;sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incline first?4a6, ;s2kxsdote +cmr Which has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
