[问答题]
Two solid spheres simultane2 vo5zv2-tj 6c*dhcnfousq 0q./(7nyanjog6y s1b ce.6fg.o dd kly start rolling (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? Which has the greater speed there? Which has the e(0yb fgcsog/k..yjaq nq .6 dd61n7ogreater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
