(5·Ö)¡°ÂÌÉ«°ÂÔË¡±ÊÇ2008Äê±±¾©°ÂÔË»áµÄÈý´óÀíÄîÖ®Ò»£¬°Â×éί¾ö¶¨ÔÚ¸÷±ÈÈü³¡¹ÝʹÓÃÐÂÐͽÚÄÜ»·±£µç¶¯³µ£¬½­ºº´óѧµÄ500ÃûѧÉúµ£ÈÎ˾»ú£¬¸ºÔð½ÓËͱÈÈüÑ¡ÊÖºÍÔËÊäÆ÷²Ä£®ÔÚ¼ì²âij¿îµç¶¯³µÐÔÄܵÄij´ÎʵÑéÖУ¬ÖÊÁ¿ÎªµÄµç¶¯³µÓɾ²Ö¹¿ªÊ¼ÑØƽֱ¹«Â·ÐÐÊ»£¬´ïµ½µÄ×î´óËÙ¶ÈΪ15m/s£¬ÀûÓô«¸ÐÆ÷²âµÃ´Ë¹ý³ÌÖв»Í¬Ê±¿Ìµç¶¯³µµÄÇ£ÒýÁ¦FÓë¶ÔÓ¦µÄËÙ¶Èv£¬²¢Ãè»æ³öͼÏñ£¨Í¼ÖÐAB¡¢BO¾ùΪֱÏߣ©¼ÙÉèµç¶¯³µÐÐÊ»ÖÐËùÊܵÄ×èÁ¦ºã¶¨£¬Çó´Ë¹ý³ÌÖÐ

(1)µç¶¯³µµÄ¶î¶¨¹¦ÂÊ£»

(2)µç¶¯³µÓɾ²Ö¹¿ªÊ¼Ô˶¯£¬¾­¹ý¶à³¤Ê±¼ä£¬Ëٶȴﵽ2m/s£¿

½âÎö£º

£¨1£©·ÖÎöͼÏß¿ÉÖª£ºµç¶¯³µÓɾ²Ö¹¿ªÊ¼×öÔȼÓËÙÖ±ÏßÔ˶¯£¬´ïµ½¶î¶¨¹¦Âʺó£¬×öÇ£ÒýÁ¦Öð½¥¼õСµÄ±ä¼ÓËÙÖ±ÏßÔ˶¯£¬´ïµ½×î´óËٶȺó×öÔÈËÙÖ±ÏßÔ˶¯.

µ±×î´óËٶȠʱ£¬Ç£ÒýÁ¦Îª£¬

¹Êºã¶¨×èÁ¦Îª£º                       (1·Ö)

¶î¶¨¹¦ÂÊ                  £¨1·Ö£©

£¨2£©ÔȼÓËÙÔ˶¯µÄÄ©ËٶȠ      (1·Ö)

ÔȼÓËÙÔ˶¯µÄ¼ÓËٶȠ  £¨1·Ö£©

¹ÊËùÇóʱ¼äΪ                            (1·Ö)

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

ͬ²½Á·Ï°²á´ð°¸