[问答题]
Two solid spheres simultaneously sg.*xn)2meq t htart rolling (from rest) down an incline. 4am2s b n3dr(tOne sph t(sr3 m42dnbaere 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 greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
