[问答题]
Two inclines have the*my/z s,an2jiz1rb),1bg sg0okgw 7+0 -eutbq;m gan same height but make different angles with the horizontal. The same steel ball is rolled downsgr0g, zg1t bw;eu gbn b-qa0) 1+omk7 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
