[问答题]
Two inclines have the same heigh. *idonxf63iguy7p/ r t but make diff-1t q6 :jri q;dbugev.erent angles 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 v;bt6ju: g- e qid1.qrgreater? Explain.