Whether I drop an object or throw it vertically up or I throw it vertically down, it's all one-dimensional.

当我把物体扔出去，无论是垂直向上扔，还是垂直向下扔，这都是一维运动。

youdao

Whether I drop an object or throw it vertically up or I throw it vertically down, it's all one-dimensional.

当我把物体扔出去，无论是垂直向上扔，还是垂直向下扔，这都是一维运动。

youdao