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µ¿¿ªÇÐ ¸¶Áö¸· ¹®Á¦°¡ ¾ÈÇ®·Á¿ä »ì·ÁÁÖ¼¼¿ä..
[ 2019-03-17 21:59:49 ]
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wls714
Á¶È¸¼ö: 1851        
ȨÆäÀÌÁö  
http://µ¿¿ªÇÐ ¸¶Áö¸· ¹®Á¦°¡ ¾ÈÇ®¸³´Ï´Ù µµ¿ÍÁÖ¼¼¿ä.. , Hit: 717

1.3º» ¹®Á¦Á» ½ÄÇ®ÀÌÁ» ÇØÁÖ¼¼¿ä..
guest5 ±×¸² Å©±â°¡ ¤¾¤§¤§ ....
a=dv/dt
dt = dv/a
¾ç º¯À» ÀûºÐÇϸé,(t´Â t1¿¡¼­ t2±îÁö, v´Â 80¿¡¼­ 10±îÁö)
¡ò dt = ¡ò dv/a = -250*¡ò1/v^2 dv
t = 250/v (80¿¡¼­ 10±îÁö) = 25-25/8 = 21.875 sec
t = 250/v ¿¡¼­
v1=80 ¡æ t1 = 25/8 sec
v2=10 ¡æ t2 = 25 sec
À̵¿ÇÑ °Å¸®´Â t1~t2 ±îÁö
¡ò v dt = ¡ò 250/t dt = 250*log(t) = 250*(log(25)-log(25/8)) = 250*log(8) = 225.772 m
¸Â³ª¿ä???? 
[2019-03-18 18:06:02]
guest5 °Å¸®°¡ Á» ªÀºµ¥....
ln(8)·Î Çϸé, 250*ln(8) = 519.86m
ÀÌ°É·Î ÇսôÙ. 
[2019-03-18 18:25:48]


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