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£©

£¨1£©5ÃëÄÚµç·ÖвúÉúµÄƽ¾ù¸ÐÓ¦µç¶¯ÊÆ
£¨2£©4ÃëÄÚͨ¹ýµ¼Ìå°ôABµÄµçºÉÁ¿
£¨3£©10ÃëÄÚµç·ÖвúÉúµÄÈÈÁ¿

£¨1£©5ÃëÄÚµç·ÖвúÉúµÄƽ¾ù¸ÐÓ¦µç¶¯ÊÆ
£¨2£©4ÃëÄÚͨ¹ýµ¼Ìå°ôABµÄµçºÉÁ¿
£¨3£©10ÃëÄÚµç·ÖвúÉúµÄÈÈÁ¿
£¨1£©E=5V £¨2£©
£¨3£©


ÊÔÌâ·ÖÎö£º£¨1£©5Ãëʱ£¬ON=10m£¬´ËʱµÄÈý½ÇÐεÄÃæ»ýΪ50m2,5ÃëÄڵĴÅͨÁ¿µÄ±ä»¯Âʼ´Æ½¾ùµç¶¯ÊÆΪ

£¨2£©¸ù¾ÝµçÁ÷µÄ¶¨Ò幫ʽ






£¨3£©Éè¾¹ýtÃëÖÓ£¬µ¼Ïß³¤¶ÈΪ




µ¼Ìåµç×èΪ


ËùÒÔ10sÄÚ×ÜÈÈÁ¿Îª

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.

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿