[问答题]
Two inclines have the same height but make diffehx s/b zn9s0i6rent angles with the ho-cwbc5 i *(wamrizontal. The same steel ball is rolled down each incline. On whm w a*c5c(-bwiich incline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
