[问答题]
Two inclines have th r;q tq/hy8hn-e1sp7y qx9j0 it7b*2h kaf0ddi+c od g3 same height but make different angles with the horizontal. The same steel ball is rolled down each incline. On which inhbi7o*p 1 q7+dgxc0d02jd kia9 y3tfscline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
