[问答题]
Two inclines have the same 6afqich,g rc: g14 l;okw61 cbheigy6a ngorptb4/. .dm 6kht but make different angles with the horizontal. The same steel ball is rolled down each incline. On whichb/gta6k6.nop ym.d r4 incline will the speed of the ball at the bottom be greater? Explain.