[问答题]
Two inclines have the same height but make differp,ye;y+rgjed(88+km wyom g - ent angles with the horizontx6mx hk00ehz r0/febg:pt e)0al. The same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be gre/6x0b hz)0pr0 m kefxte:he g0ater? Explain.
Post time 2025-2-18 20:00:22
