[问答题]
Two inclines have the same o2zswbh(k /rn0s(ca 9heiggz, .jvq u x*xkqxvgd10l8( ;qht but make different angles with the horizontal. The same steel ball is rolled down each incline. On which incline will tx(j ukqz.v 18g,*q;l0 g dqvxxhe speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
