[问答题]
Two solid spheres simultaneously start rolling (from rest) dow h8y2gg4z m.hyjb.q1n.dnld w q7uqywj0 (g,3n 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 greater speed there? Which has the greate dl1y.d(qqg7,b3wjuwnj 0 q. nr total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
