[问答题]
Two inclines have the same height bum; y*oei;x9s4g wup /jt make different angles with the horizoncku:.(gp4+deh 5kywptal. The+kk (wpy: .hged4c 5up same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.
