[问答题]
Two inclines have the same height but makzvd19qqozkc5(l ;xat pu6d 83n7)6k.6 g p:copnhkjk e different angles with the horizontal. The same steel ball is rolled down each incline. Onhk no 6p:n)jp7k .ck6g which incline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
