ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÔÚÑо¿Æ½Å×Ô˶¯µÄʵÑéÖУ¬Ä³Í¬Ñ§¼Ç¼ÁËСÇòÔ˶¯¹ý³Ì¾¹ýµÄA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GµãµÄλÖã¬ÏàÁÚÁ½µãµÄʱ¼ä¼ä¸ô¾ùΪ¡÷t=0.05s¡£È¡AµãΪ×ø±êԵ㣬ÒÔ+x·½Ïò±íʾˮƽ³õËٶȷ½Ïò¡¢+y·½Ïò±íʾÊúÖ±ÏòÏ·½Ïò£¬ÊµÑé¼Ç¼ÈçÏ£º£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©
£¨1£©×÷³öµÄx-tͼÏñÈçͼaËùʾ£¬Ð¡ÇòƽÅ×µÄˮƽ³õËٶȴóСÊÇ_______________m/s
£¨2£©ÒÔtΪºá×ø±ê£¬ Ϊ×Ý×ø±ê£¬×÷³ö
ͼÏñÈçͼbËùʾ£¬Í¼ÏñbËù¶ÔÓ¦µÄº¯Êý½âÎöʽΪ
¢ÙÖØÁ¦¼ÓËٶȵIJâÁ¿ÖµÊÇ___________ m/s2
¢Út=0.10sʱ£¬Ð¡ÇòµÄÊúÖ±·ÖËٶȴóСÊÇ_______________m/s
¡¾´ð°¸¡¿
¡¾½âÎö¡¿Ð¡Çò×öƽÅ×Ô˶¯£¬Ë®Æ½·½ÏòÓУ¬Ë®Æ½³õËٶȴóСµÈÓÚx-tͼÏñµÄбÂÊ
£¬ÊúÖ±·½ÏòÓÐ
£¬»¯Îª
£¬Ó뺯Êý½âÎöʽÏà¶ÔÓ¦£¬
£¬
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿