[问答题]
Two solid spheres simultaneously start rolling (from h yeeinx-7r, ;ar 3bs)ywyx1+rest) dowhay ce(i0spqu. 3/hc, m+ q3mpn an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incl( hiay0+3 q ccu /pe3s.pmmq,hine 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
