[问答题]
Two inclines have thp k7,z4n z1nbie(lw koqz4*1w2 0rjfg k same height but make different angles with the horizontal. The same stw10 fw jg2*olqk(zr4k eel 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
