[问答题]
Two inclines have the same height but make different angll.whydut uz2 l91;0 qqes with the h,)rzu kmg)c-;dj4yx3i6 kqv vorizontal. The same steel ball is rolled down each incline. O4xdv zuq)y-kmig6c kv 3 )r;,jn which incline will the speed of the ball at the bottom be greater? Explain.