ÌâÄ¿ÄÚÈÝ
£¨3-4£©
£¨1£©¹âÏßÒÔijһÈëÉä½Ç´Ó¿ÕÆøÉäÈëÕÛÉäÂÊΪ
µÄ²£Á§ÖУ¬ÕÛÉä¹âÏßÓë·´Éä¹âÏßÇ¡ºÃ´¹Ö±£¬ÔòÕÛÉä½ÇµÈÓÚ____________£»Èô¹âÏßÒÔÈëÉä½Ç¦Á´ÓÕÛÉäÂÊΪ
µÄijҺÌåÉäÈë¿ÕÆøÖÐÕýºÃ·¢ÉúÈ«·´É䣬ÈëÉä½Ç¦ÁµÈÓÚ___________________£®
£¨2£©ÈçͼËùʾ£¬Ñز¨µÄ´«²¥·½ÏòÉÏÓмä¾àΪ1mµÄ13¸öÖʵãa£®b£®c£®d£®e£®f£®g£®h£®I£®j£®k£®l£®m£¬ËüÃǾù¾²Ö¹ÔÚ¸÷×ÔµÄƽºâλÖá£Ò»ÁкᲨÒÔ1m/sµÄËÙ¶ÈˮƽÏòÓÒ´«²¥£¬ÔÚt=0ʱ¿Ìµ½´ïÖʵãa£¬ÇÒa¿ªÊ¼ÓÉƽºâλÖÃÏòÉÏÕñ¶¯£¬ÔÚt=1sʱ¿Ì£¬ÖʵãaµÚÒ»´Î´ïµ½×î¸ßµã£¬Çó£º
¢ÙÕâÁв¨µÄ²¨³¤ºÍÖÜÆÚ£»
¢Ú´Óa¿ªÊ¼Õñ¶¯£¬¾¹ý¶à³¤Ê±¼ädµãµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆ£»
¢ÛÔÚÉÏͼÖл³ödµãµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆʱµÄ²¨ÐÎͼÏó¡£![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241221174206073.jpg)
£¨1£©¹âÏßÒÔijһÈëÉä½Ç´Ó¿ÕÆøÉäÈëÕÛÉäÂÊΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122117404209.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824122117404213.gif)
£¨2£©ÈçͼËùʾ£¬Ñز¨µÄ´«²¥·½ÏòÉÏÓмä¾àΪ1mµÄ13¸öÖʵãa£®b£®c£®d£®e£®f£®g£®h£®I£®j£®k£®l£®m£¬ËüÃǾù¾²Ö¹ÔÚ¸÷×ÔµÄƽºâλÖá£Ò»ÁкᲨÒÔ1m/sµÄËÙ¶ÈˮƽÏòÓÒ´«²¥£¬ÔÚt=0ʱ¿Ìµ½´ïÖʵãa£¬ÇÒa¿ªÊ¼ÓÉƽºâλÖÃÏòÉÏÕñ¶¯£¬ÔÚt=1sʱ¿Ì£¬ÖʵãaµÚÒ»´Î´ïµ½×î¸ßµã£¬Çó£º
¢ÙÕâÁв¨µÄ²¨³¤ºÍÖÜÆÚ£»
¢Ú´Óa¿ªÊ¼Õñ¶¯£¬¾¹ý¶à³¤Ê±¼ädµãµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆ£»
¢ÛÔÚÉÏͼÖл³ödµãµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆʱµÄ²¨ÐÎͼÏó¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241221174206073.jpg)
£¨1£©300 450 £¨4·Ö£©
£¨2£©¢Ù²¨³¤¦Ë=4m£¬ÖÜÆÚT="4s " £¨4·Ö£©
¢Ú¾t=6sºódµãµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆ £¨6·Ö£©
¢ÛµãdµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆʱµÄ²¨ÐÎͼÏóÈçÏÂͼËùʾ £¨6·Ö£©
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241221176238676.jpg)
£¨2£©¢Ù²¨³¤¦Ë=4m£¬ÖÜÆÚT="4s " £¨4·Ö£©
¢Ú¾t=6sºódµãµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆ £¨6·Ö£©
¢ÛµãdµÚÒ»´ÎÏòÏ´ﵽ×î´óλÒÆʱµÄ²¨ÐÎͼÏóÈçÏÂͼËùʾ £¨6·Ö£©
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241221176238676.jpg)
ÂÔ
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿