|
|
|||||||
| ÊÁѤÃÊÁÒªÔ¡ | ¤ÙèÁ×Í¡ÒÃãªé | ÃÒª×èÍÊÁÒªÔ¡ | »¯Ô·Ô¹ | ¢éͤÇÒÁÇѹ¹Õé | ¤é¹ËÒ |
  |
|
|
à¤Ã×èͧÁ×ͧ͢ËÑÇ¢éÍ | ¤é¹ËÒã¹ËÑÇ¢é͹Õé |
|
#1
22 Á¡ÃÒ¤Á 2006, 21:20
|
|||
|
|||
͸ԺÒÂàÃ×èͧàÇ¡àµÍÃì˹èͤèÐ
à¡ÕèÂǡѺ¡Òâ¹Ò¹¢Í§àÇ¡àµÍÃìáÅÐàÃ×èͧ¡ÒõÑ駩ҡ˹èͤèÐ
ÃÙéáµèàÇ¡àµÍÃì 2 ÁԵԹԴ˹èÍ àÇ¡àµÍÃì u.v=¢¹Ò´¢Í§u* ¢¹Ò´¢Í§v cosq áÅéǶéÒµÑ駩ҡ¡Ñ¹¨Ðä´é 0 áÅéÇàÇ¡àµÍÃì 3 ÁÔµÔÅèФèÐÁÕÊÙµÃÍÒäúéÒ§·Õè Ãà äÁèàËç¹Ê͹ 3 ÁÔµÔàŤèÐ
__________________
ÍÂèÒÂÍÁá¾é ÊÇÃäìÂѧÁÕµÒÍÂÙè ·ÓäÁäÁèà¡è§¤³Ôµà¹Õè 
|
| |
|
|
