[问答题]
Two solid spheres simultaneously start rolli2xehz)08g/hbw( -r mxb:ja t ar3dd )ong (from rest) down an in:wjxft;wuj*tjq3* i 1 cline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the jwqt1uxj3fw ;j*ti :*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
