[问答题]
Two inclines have thmf h. 8em l5gk87d4yej*ijc 5he*/bbhj:qe3,k fgmxx 4ou j8 u. same height but make different angles with the horizontal. The s,x8ufke: uh b b*gmo4.jq/xj 3ame steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.