ÌâÄ¿ÄÚÈÝ

£¨13·Ö£©ÈçͼËùʾ£¬´«ËÍ´øÓëµØÃæÇã½Ç¦È£½37o£¬´Ó£Áµ½£Â³¤¶ÈΪ£¬´«ËÍ´øÒÔ£½10m/s¡¡µÄËÙÂÊÄæʱÕëת¶¯.ÔÚ´«ËÍ´øÉ϶ËAÎÞ³õËٵطÅÒ»¸öÖÊÁ¿Îª£í£½0.5kgµÄºÚɫú¿é£¬ËüÓë´«ËÍ´øÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì£½0.5.ú¿éÔÚ´«ËÍ´øÉϾ­¹ý»áÁôϺÚÉ«»®ºÛ ÒÑÖªsin37o£½0.6£¬g=10£¬£¨1£©Çóú¿é´ÓAµ½BµÄʱ¼ä¡££¨2£©Ãº¿é´ÓAµ½BµÄ¹ý³ÌÖд«ËÍ´øÉÏÐγɻ®ºÛµÄ³¤¶È¡£
£¨1£©1.5s  (2)5m

ÊÔÌâ·ÖÎö£º£¨1£©Ãº¿é¸Õ·ÅÉÏʱ£¬Êܵ½ÏòϵÄĦ²ÁÁ¦£¬ÓÉÅ£¶ÙµÚ¶þ¶¨Âɵãº

´úÈËÊý¾Ý½âµÃ£º10       £¨1·Ö£©
´ïµ½ºÍƤ´øËÙ¶ÈÏàµÈµÄʱ¼äΪ£º=         £¨1·Ö£©
ú¿é¼ÓËÙÔ˶¯µÄλÒÆΪ£º           £¨1·Ö£©
´ïµ½ºó£¬Ãº¿éÊܵ½ÏòÉϵÄĦ²ÁÁ¦£¬ÓÉÅ£¶ÙµÚ¶þ¶¨Âɵãº
        £¨1·Ö£©
 2        (1·Ö)
µÚ¶þ´Î¼ÓËÙµÄλÒÆ£º         £¨1·Ö£©
        £¨1·Ö£©
½âµÃ      £¨1·Ö£©
½«Ãº¿é´ÓAµ½BµÄʱ¼äΪ         £¨1·Ö
£¨2£©µÚÒ»¹ý³Ì»®ºÛ³¤      £¨2·Ö£©
µÚ¶þ¹ý³Ì»®ºÛ³¤        £¨2·Ö£©
Á½²¿·ÖÖغϻ®ºÛ×ܳ¤Îª5m         £¨2·Ö£©
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø