[问答题]
Two inclines have the same height but make differen.iy ecu5,sn sszj/1p1t angles with the horizonz,y q7vbeacni8 h+hyf 9)b+8atal. The same steel ball is rolled down each incline. On which incline will the sp +z8y e+,) h b8hb7aincvfyqa9eed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
