ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬Ï໥´¹Ö±µÄµ¼¹ìOMºÍONˮƽ¹Ì¶¨·ÅÖã¬Æäµç×è²»¼Æ¡£´Öϸ¾ùÔȵĵ¼Ìå°ôABµ¥Î»³¤¶ÈµÄµç×èr0=0.2?/m£¬¿ÉÔÚµ¼¹ìÉÏÎÞĦ²ÁµØ»¬¶¯¡£ABλÓÚOµã£¬ÇÒÓëOMºÍONÖ®¼äµÄ¼Ð½Ç¾ùΪ45º¡£Õû¸ö×°Öô¦ÓÚÊúÖ±ÏòϵÄÔÈÇ¿´Å³¡ÖУ¬´Å¸ÐӦǿ¶ÈB=0.5T¡£´Ót=0ʱ¿ÌÆð£¬ABÒÔv=2m/sµÄËÙ¶ÈƽÐÐÓÚONÔÈËÙÏòÓÒÔ˶¯¡£µ¼Ìå°ôÓëµ¼¹ì¶¼×ã¹»³¤¡£Ç󣨽á¹û¿ÉÓøùºÅ±íʾ£©
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748166237267.jpg)
£¨1£©5ÃëÄÚµç·ÖвúÉúµÄƽ¾ù¸ÐÓ¦µç¶¯ÊÆ
£¨2£©4ÃëÄÚͨ¹ýµ¼Ìå°ôABµÄµçºÉÁ¿
£¨3£©10ÃëÄÚµç·ÖвúÉúµÄÈÈÁ¿
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748166237267.jpg)
£¨1£©5ÃëÄÚµç·ÖвúÉúµÄƽ¾ù¸ÐÓ¦µç¶¯ÊÆ
£¨2£©4ÃëÄÚͨ¹ýµ¼Ìå°ôABµÄµçºÉÁ¿
£¨3£©10ÃëÄÚµç·ÖвúÉúµÄÈÈÁ¿
£¨1£©E=5V £¨2£©
£¨3£©![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174816935948.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174816638746.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174816935948.png)
ÊÔÌâ·ÖÎö£º£¨1£©5Ãëʱ£¬ON=10m£¬´ËʱµÄÈý½ÇÐεÄÃæ»ýΪ50m2,5ÃëÄڵĴÅͨÁ¿µÄ±ä»¯Âʼ´Æ½¾ùµç¶¯ÊÆΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748174501021.png)
£¨2£©¸ù¾ÝµçÁ÷µÄ¶¨Ò幫ʽ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174817699505.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174817996833.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174818261715.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748185101024.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748188221714.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174819072747.png)
£¨3£©Éè¾¹ýtÃëÖÓ£¬µ¼Ïß³¤¶ÈΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174819322541.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174819556684.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748197741095.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748200551706.png)
µ¼Ìåµç×èΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174820351872.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824174820757616.png)
ËùÒÔ10sÄÚ×ÜÈÈÁ¿Îª
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241748211621427.png)
µãÆÀ£º±¾Ì⿼²éÁ˵ç´Å¸ÐÓ¦Öг£¼ûµÄ¸ÐÓ¦µç¶¯ÊƼÆË㣬ͨ¹ýÓÐЧ³¤¶È¼ÆËã·¢Èȹ¦ÂÊ¡£ÔÚ¼ÆËãµçÁ¿Ê±Òª¼ÆËã³öµçÁ÷£¬ÀûÓù«Ê½Q=ItÇó½â¡£ÆäÖеçÁ÷ÊǶÔʱ¼äµÄƽ¾ùÖµ£¬·¢Èȹ¦ÂÊÖеçÁ÷ÊÇ·¢ÈȵÄÓÐЧֵ£¬Á½ÕßҪȥ·Ö¿ª.
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿