Áú¹®°ú ´ä -
¿Ã¸° ±Û ¼öÁ¤
ÀÌ ¸§
Á¦ ¸ñ
ÀüÀÚ¿ìÆí
ȨÆäÀÌÁö
ű׿ɼÇ
HTML°¡´É
ű×Á÷Á¢ÀÔ·Â
HTML ºÒ°¡
HTML°¡´É+ Link ÀÚµ¿º¯È¯
³» ¿ë
Find the velocity of the wave packet of the following two combing waves y1 = Acos [ (k+¡âk)x-(w+¡âw)t ] y2= Acos [ (k-¡âk)x-(w-¡âw)t ] ¾î¶»°Ô ÇØ°áÇϴ°ÅÁÒ??;;
ºñ¹Ð¹øÈ£
°Ô½Ã¹°À» ¼öÁ¤ÇÏ·Á¸é ÀÛ¼º½ÃÀÇ
ºñ¹Ð¹øÈ£
°¡ ÇÊ¿äÇÕ´Ï´Ù.