ÌâÄ¿ÄÚÈÝ
ÔÚ×ö¡°Á·Ï°Ê¹Óôòµã¼ÆʱÆ÷¡±µÄʵÑéʱ£¬Í¼ÖÐÊÇij´ÎʵÑéµÄÖ½´ø£¬ÉáȥǰÃæ±È½ÏÃܵĵ㣬´Ó0µã¿ªÊ¼£¬Ã¿5¸öÁ¬ÐøµãÈ¡1¸ö¼ÆÊýµã£¬±êÒÔ1¡¢2¡¢3¡£¬ÈôµçÔ´µÄƵÂÊΪ50ºÕ×È£¬ÄÇôÏàÁÚÁ½¸ö¼ÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪ________s£¬¸÷¼ÆÊýµãÓë0¼ÆÊýµãÖ®¼äµÄ¾àÀëÒÀ´ÎΪ
£½3.0 cm¡¢
£½7.5 cm¡¢
£½13.5 cm£¬ÔòÎïÌåͨ¹ý1¼ÆÊýµãµÄËÙ¶È
£½________m/s£¬Í¨¹ý2¼ÆÊýµãµÄËÙ¶È
£½________m/s£¬Ô˶¯µÄ¼ÓËÙ¶ÈΪ________m/s2¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250019382213566.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938143300.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938158331.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938174331.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938190298.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938190330.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250019382213566.jpg)
0.1¡¢0.375 ¡¢0.525 ¡¢1.50
ÊÔÌâ·ÖÎö£ºÓÉÓÚ´òµã¼ÆʱÆ÷´òµãÖÜÆÚΪ0.02s£¬ÓÖÿ5¸öÁ¬ÐøµãÈ¡1¸ö¼ÆÊýµã£¬Òò´ËÏàÁÚÁ½¸ö¼ÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪ
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938236753.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938268575.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938283499.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938299645.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938314665.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001938330589.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿