[问答题]
Two inclines have the same height but gd*fqiu1jv+7y :q jjv)i )*x 9mkluo 7make mfo(av ys) e0(different angles with the horizontal. The same steel ball is rolled down each incline. On which incline will the sp afevy()o ms0(eed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
