[问答题]
Two inclines have thev ld ivpk6 hnkf7(-.f2-r-tkhho :h :aj lgcxu5 rg1+6 same height but make different angles with the horizontal. The same steel ball is rolled down hugtl15:- :kjacr x +h-h6 rgoeach incline. On which incline will the speed of the ball at the bottom be greater? Explain.