[问答题]
Two solid spheres simultaneously nrgs0 ) g/l*gvk7nn/cstart crf+ dyk(5bu+ rolling (from rest) down an incline. One sphere has twice the radius and twice the ma+ fukdbc(y5r+ ss 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?