[问答题]
Two inclines have the sa t0 b4mp-ak vx.nkyc4ri5e* p4me64oa-21 oui,x e zpjii height but make different angles with the horizontal. The same steel ball is rolled down each incline. On whic oi1-uzaepj i62io,x4 h incline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
