[问答题]
Two inclines have the sanw6z kg +ah7w6me height but make different angles wit ;wp2jr7 6 *5m lnzbz2vvp(kseh the horizontal. The sl 5r;zbes 2zv p* jnmv6w7(2kpame steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
