[问答题]
Two solid spheres sihs,pgqdi8x5,2 zs(0dc ml 1 kdttqsk)ne 4g)a;vluk 3dxx54;multaneously 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 hasv;x4;4l dtk)g5)a txkq3 ues n the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
