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[ 2009-04-17 16:28:18 ]
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ÇÑ ÀÔÀÚ°¡ ºÏÂÊ ¹æÇâÀ» ÇâÇÏ¿© 100m/s©÷ÀÇ ÀÏÁ¤ÇÑ °¡¼Óµµ·Î °¡¼ÓµÇ°í ÀÖ´Ù. t = 0À϶§ ¼Óµµ´Â µ¿ÂÊ À¸·Î 60m/sÀÌ´Ù. ¼ÓµµÀÇ Å©±â°¡ 100m/s°¡ µÉ¶§ ±îÁö ¼Ò¿ä µÇ´Â ½Ã°£À» ±¸ÇÏ¿©¶ó.. ´äÀº 0.8sÀε¥.. Ç®À̸¦ ¸ô¶ó¼­.. ±³¼ö´ÔÀÌ ¼Óµµº¯À§·®/°É¸°½Ã°£À̶ó°í Çؼ­ Àû¾ú´Âµ¥ ¸ô¶ó¼­¿ä...

õÀå¿¡ °íÁ¤µÈ ÁÙ¿¡ ¸Å´Þ¸° 2kgÀÇ °øÀ» Èû F->À¸·Î ÇÑÁ· ¿·À¸·Î Àâ¾Æ ´ç±ä´Ù. °øÀ» ³õ¾Æ¼­ ¾ÕµÚ·Î Èçµé¸®µµ·Ï ÇÏ¿©´Ù. À̹®Á¦´Â ÇÑ°¢µµ¸¸µÇÀÖ½À´Ï´Ù.30µµ·Î...
(a)±× À§Ä¡¿¡¼­ °øÀ» Àâ°í ÀÖ´Â F->ÀÇ Å©±â´Â ¾ó¸¶Àΰ¡?      ´ä 34N
(b)ÁÙÀÇ Àå·ÂÀº ¾ó¸¶Àΰ¡??   ´ä 39N
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engx Ãʱâ ÁøÇà¹æÇâ°ú Á÷°¢¹æÇâÀ¸·Î ÈûÀÌ °¡ÇØÁö°í Å©±â°¡ 100 ÀÌ´Ï±î ºÏÂʹæÇâÀÇ ¼Óµµ VnÀº 100 = (3600 -  Vn^2)^(1/2), Vn = (6400)^(1/2) = 80m/s, °¡¼Óµµ°¡ 100m/s À̹ǷΠ80m/s°¡ µÇ´Âµ¥ °É¸®´Â ½Ã°£Àº 0.8s, Âü°í http://www.ezformula.net/esne/aboard/addon.php?file=main_form_detail.php&fcode=1111595&bgrcode=&mgrcode=&fupman=nemesis, http://www.ezformula.net/esne/aboard/addon.php?file=main_form_detail.php&fcode=1111304&bgrcode=1019&mgrcode=&fupman=m3d29
µÎ¹ø° ¹®Á¦µµ º¤ÅÍ ¹®Á¦³×¿ä.. ±×¸²¸¸ Àß ±×¸®¸é º¤ÅÍ ´õÇÏ°í »©¼­ ±¸ÇÏ½Ã¸é µÇ°Ú³×¿ä.. 
[2009-04-18 15:02:56]
physics ÀÌ°Å º¸¼¼¿ä.. http://www.ezformula.net/esne/aboard/addon.php?file=main_form_detail.php&fcode=1111742&bgrcode=1019&mgrcode=1385 
[2009-04-21 22:22:43]


1/1, Total : 25
No TITLE ID Date View
ÀÌ·± °ø½Ä¾ø³ª¿ä? °Ô½ÃÆÇ ÀÌ¿ë ¾È³» °ü¸®ÀÚ 2006-08-27 2550
24 ÀϹݻó´ë¼º ÀÌ·Ð Áß·ÂÀå¿¡¼­ °ø°£ÀÇ ÈÖ´Â Á¤µµ¿¡ ´ëÇÏ¿© howareyou 2018-04-05 1518
23 Ædzڿ¡ ´ÜÀ§¸éÀû´ç ºÎ´Â ¹Ù¶÷ÀÇ ¼¼±â¸¦ °è»êÇÏ´Â ½ÄÀÌ ÀÖ³ª¿ä? [1] cws0818 2017-11-17 1503
22 »ç´Ù¸®²Ã Ãø±¸ Åë¼ö´Ü¸éÀû°ú Á¢Ã˵ѷ¹ Áú¹®.. [3] hyung3220 2017-05-17 2641
21 ¿Ö ÀÌ·¸°Ô ¹Ù²î´ÂÁöÁ» ¾Ë·ÁÁÖ¼¼¿ä¤Ð¤Ð wodyd1130 2017-05-14 1461
20 Áý´Ü»ýÀܹý www7766 2013-04-30 2860
19 ¼ö¸®°ü·Ã °è»ê±â¸¦ Á÷Á¢ ¸¸µé¾î¼­ ¿Ã·Á ³õÀº »çÀÌÆ® engx 2011-01-14 3417
18 Á¾´Ù¾ç¼ºÁö¼ö ¾ø³ª¿ä?? cobitis 2010-12-24 3659
17 µ¹ÅÏÀÇ ºÎºÐ¾Ð·Â ¹ýÄ¢ °ø½Ä ¤Ì¤Ì °ø½ÄÀÌ ÀÖ´Â °Ç°¡¿ä?? misabin 2010-03-27 3895
16 ¿¡½ºÅ׸£ ¹ÝÀÀ nmnnm153 2010-03-07 2354
15 ¹Ý·Â °è»ê °ø½ÄÁ» ¸¸µé¾îÁÖ¼¼¿ä~ yakidajs 2010-01-19 4099
14 ÀÀ ¿ë ¿ª ÇÐ ºÎºÐÁß // °Ô¸£¹öº¸ abyssmass 2009-10-15 3402
13 »ï·ûÂ÷(¼¼¹ßÀÚÀü°Å)ÀÇ À§Ä¡/ÀÚ¼¼ÃßÁ¤ bosin 2009-09-22 2371
12 ¾È³çÇϼ¼¿ä [1] ccyzh1 2009-06-01 2291
11 °ü³» À¯¼Ó ±¸ÇÏ´Â °ø½ÄÀº ¾ø³ª¿ä..? [1] kkkmhj 2009-04-28 6859
Àú±â.. ½ÄÀ» ¸ô¶ó¼­.. Ç®ÀÌÁ¡... [2] sos 2009-04-17 2817
9 ±¸½É°¡¼Ó·Â¿¡ °üÇÑ°Å... [1] sos 2009-04-15 2385
8 °ü·Î¼Õ½Ç·® °è»ê½ÄÀº ¾ø³ª¿ä? [2] h2comic 2009-03-11 2387
7 dz·Â¹ßÀü±â °ü·ÃÁú¹® home2job 2008-10-10 3112
6 °ø±âÀÇ ¿Âµ·¿¡ µû¸¥ ¹Ðµµ º¯È­ ¼ö½ÄÀº ¾ø³ª¿ä? [1] acokok 2008-09-26 5594
5 ½´Æ®¾îÆ® Á¤¸® °¡ ¾ø³×¿ä.;; jung033 2007-01-10 2856
4 »ç°¢»Ô´ëÀÇ Ã¼Àû±¸ÇÏ´Â °ø½ÄÀº? [1] ÀÌÇÑÇõ 2007-01-02 6384
3 À½ÇâÇп¡ °üÇÑ °ø½ÄÁ» ¿Ã·ÁÁÖ¼¼¿ä./ zblueboy 2006-12-05 2630
2 n°³ÀÇ ¼ýÀÚ Áß¿¡¼­ a°³¸¦ ¼±ÅÃÇÏ°í ±×Áß m¹ø° ¼ýÀÚ¸¦ Ç¥ÇöÇÏ´Â ¼ö½Ä? ±Ã±ÝÀÌ 2006-11-02 2648
1 ¹°ÃÑÀÇ ºÐÃ⠾зÂÀº? [1] sjm1510 2006-09-05 2955
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