[问答题]
Two inclines have the same height but ma ks x:gqowbgnne 2dx/q 93t tv.0w3w:q),:fztke different anst pzf,4i)tt+gles with the horizontal. The same steet ,stz)i+ p4tfl ball is rolled 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
