ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬µÚÒ»ÏóÏÞµÄij¸ö¾ØÐÎÇøÓòÄÚ£¬Óз½Ïò´¹Ö±ÓÚÖ½ÃæÏòÀïµÄÔÈÇ¿´Å³¡
£¬´Å³¡µÄ×ó±ß½çÓëyÖáÖغϣ¬µÚ¶þÏóÏÞÄÚÓл¥Ïà´¹Ö±Õý½»µÄÔÈÇ¿µç³¡ÓëÔÈÇ¿´Å³¡£¬Æä´Å¸ÐӦǿ¶È
=0.5T¡£Ò»ÖÊÁ¿m=l¡Á
kg£¬µçºÉÁ¿
µÄ´øÕýµçµÄÁ£×ÓÒÔËÙ¶È
´ÓxÖáÉϵÄNµãÑØÓëxÖḺ·½Ïò³É
½Ç·½ÏòÉäÈëµÚÒ»ÏóÏÞ£¬¾Pµã½øÈëµÚ¶þÏóÏÞÄÚÑØÖ±ÏßÔ˶¯£¬Ò»¶Îʱ¼äºó£¬Á£×Ó¾xÖáÉϵÄMµã²¢ÓëxÖḺ·½Ïò³É
½ÇµÄ·½Ïò·É³ö£¬Mµã×ø±êΪ(-0.1£¬0),Nµã×ø±ê(0.3£¬0)£¬²»¼ÆÁ£×ÓÖØÁ¦¡£Çó: ![](http://thumb.1010pic.com/pic2/upload/papers/20140824/2014082413092199019199.png)
СÌâ1:ÔÈÇ¿µç³¡µÄµç³¡Ç¿¶ÈEµÄ´óСÓë·½Ïò;
СÌâ2:ÔÈÇ¿´Å³¡µÄ´Å¸ÐӦǿ¶È
µÄ´óС;
СÌâ3:ÔÈÇ¿´Å³¡
¾ØÐÎÇø³ÇµÄ×îСÃæ»ý¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921771331.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921803371.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921834385.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921865652.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921881712.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921927384.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921927384.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/2014082413092199019199.png)
СÌâ1:ÔÈÇ¿µç³¡µÄµç³¡Ç¿¶ÈEµÄ´óСÓë·½Ïò;
СÌâ2:ÔÈÇ¿´Å³¡µÄ´Å¸ÐӦǿ¶È
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921771331.png)
СÌâ3:ÔÈÇ¿´Å³¡
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921771331.png)
СÌâ1:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309220831031.png)
·½ÏòÓëyÖáÕýÏò¼Ð½âΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921927384.png)
СÌâ2:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922239945.png)
СÌâ3:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309222711203.png)
18.£¨1£©ÔÚµÚ¶þÏóÏÞ£¬ÓÉÌâÒâÖª£¬Á£×Ó×öÔÈËÙÖ±ÏßÔ˶¯¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309223175229.jpg)
¡¡¡¡¡¡¡¡¡¡£¨2·Ö£©
¡¡¡¡£¨1·Ö£©
·½ÏòÓëyÖáÕýÏò¼Ð½âΪ
¡¡£¨1·Ö£©
£¨2£©ÓÉÌâÒ⣬Ô˶¯¹ì¼£Èçͼ£¬Óɼ¸ºÎ¹Øϵ֪
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309224115227.jpg)
¡¡¡¡¡¡¡¡¡¡£¨2·Ö£©
ÓÉ
¡¡¡¡£¨1·Ö£©
µÃ
£¨T£©¡¡¡¡¡¡¡¡¡¡£¨1·Ö£©
£¨3)ÓÉͼ¿ÉÖª£¬´Å³¡
×îСÇøÓòÓ¦¸Ã·Ö²¼ÔÚͼʾµÄ¾ØÐÎPACDÄÚ£¬Óɼ¸ºÎ¹Øϵ֪£º
=0.2m¡¡¡¡¡¡¡¡¡¡£¨1·Ö£©
¡¡¡¡¡¡£¨1·Ö£©
×îСÃæ»ýΪ£º
¡¡¡¡¡¡£¨2·Ö£©
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309223175229.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922333631.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309220831031.png)
·½ÏòÓëyÖáÕýÏò¼Ð½âΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921927384.png)
£¨2£©ÓÉÌâÒ⣬Ô˶¯¹ì¼£Èçͼ£¬Óɼ¸ºÎ¹Øϵ֪
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309224115227.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922442774.png)
ÓÉ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922473817.png)
µÃ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922239945.png)
£¨3)ÓÉͼ¿ÉÖª£¬´Å³¡
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130921771331.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922598751.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824130922629937.png)
×îСÃæ»ýΪ£º
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241309222711203.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿