[问答题]
Two solid spheres simufv1q1pist/d fj 3q)989kyjw b ltaneously start rolli 5k 7j3a fwnzj ph-ruww7gb:2;ng (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 greater total kinetic energy at t w3f2:arz 7pn5gj;k hjbw7w -uhe bottom?
Post time 2025-2-18 20:00:22
