[问答题]
Two inclines have the same height but make differentfirxt ugj4r/pb r:w6kh7.p; 9 angle2(ilo0qkr l0g(yes f1s with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.i0ksf l rq2(o gyl(10e