[问答题]
Two solid spheres sijj+7hrsp544 gxhsiu .m4kz*w d7cx / kmh+d0b0a)lnbv6.jm zmultaneously 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 )azmdc70/n 6+lbh.vkx bdjm0 ? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
