[问答题]
Two inclines have the ff m*/le +r4fa8 yjl/ito9l1hsamf )j;doo 86pnh/m5gl.0er k rue height but make different angles with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at t/nk;r8.0j)h uepr d56gf lmoohe bottom be greater? Explain.