[问答题]
Two inclines have the6 t3ra+hqag0 z;.qjr2i2dq/l c9lq-n:bl cg r17jh he same height but make different angles with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be grbh1n7c;g c9 : ijre-.2lhq2l/drlj qq eater? Explain.
Post time 2025-2-18 20:00:22
