[问答题]
Two inclines have the same height but make differxldwjg6(v; ,mss/q z/ent angles with the p 9ss(ctn in(s/za (8ehorizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ba c (np(is8 9/s(nteszall at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
