[问答题]
Two solid spheres simulta xgjt+:7zwej4neously start rolling (fl n41u s cak a.scvj,dpa25p.5ki7-surom rest) down an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the in p .lpa5sja7d.aik2n u,5ssu41c c- kvcline 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
