如火如荼的足球世界杯结束了,然而失落或兴奋的球迷们仍旧沉浸其中,一幕幕的精彩片段仍不时地在脑海里回放。尤其是点球大战,更是令人唏嘘不已,无法释然。然而不得不为守门员叫屈的是,面对点球时他能依靠的只能是直觉。因为通过严谨的数学计算,你会发现守门员在面对射出的点球时是没有机会的。从球门中心冲向球门某个角,守门员需要约1秒钟,但是这对守住一个罚得很好的点球来说,这个时间太长了。在比赛中,点球的射球速度为 In full swing the World Cup finals, but lost or excited fans are still immersed in the scenes of the highlights still playing in mind from time to time. Especially the penalty shootout, it is very sad, can not be relieved. However, the goalkeeper had to bid farewell is that in the penalty when he can rely on only intuition. Because through rigorous mathematical calculations, you will find that the goalkeeper in the face of penalty shot when there is no chance. The goalkeeper needs about a second to reach the corner of the goal from the center of the goal, but this is too long for a penalty shootout. In the game, the penalty shoot-out speed is