Collision - Wikipedia Deflection happens when an object hits a plane surface If the kinetic energy after impact is the same as before impact, it is an elastic collision If kinetic energy is lost, it is an inelastic collision The diagram does not show whether the illustrated collision was elastic or inelastic, because no velocities are provided The most one can say is that the collision was not perfectly
COLLISION 释义 | 柯林斯英语词典 - Collins Online Dictionary 3 种含义: 1 a violent impact of moving objects; crash 2 the conflict of opposed ideas, wishes, attitudes, etc 3 physics an event in which two or 点击查看更多定义。