刚体绕定轴转动时,以下四图所示的运动状态,哪些是可能的?() 图A中A、B、C三点为等边三角形的顶点,且a A =a B =a C ;图B中A、B、C三点为等边三角形的顶点,且v A =v B =v C ;图C中vA与aA共线;图中A、B、C三点为等边三角形三条边的中点,且v A =v B =v C 。
【简答题】Put the sentences marked A, B, C, D and E in the right order to complete the passage. I would like to share with you the very unpleasant experience I had last year when I got caught in a traffic jam i...