[问答题]
Two inclines have the sarm20gu v)o eel6u.vb8 me height but make different anglesm729tj vq, lad*u)x ax with the horizontal. The same steel ball is r,v xq t9)al*d7xa2 jmuolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
