[问答题]
Two inclines have the same height baj g5ynxz j42s.sm1)m( hxa8 zut make different angles with the rv-k,5yagbic2 ;,tly/q x og)horizontal. The same steel ball is rolled down each incline. On which incline will the sp iovrb,ykq,gy5)lct 2ga; - x/eed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
