[问答题]
Two inclines have the same heig ;bx 9f:g:nukuht but make differen cge7 ; jfxdx 5eq0w,7odxh0h;;bwsf3t angles with the horizontal. The samf0h ws;;;c,xej bfqh3e7dgdo70 5w xxe steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
