ÌâÄ¿ÄÚÈÝ

ÈçͼËùʾ£¬Ò»¶Ô´øµçƽÐнðÊô°åA¡¢BÓëÊúÖ±·½Ïò³É30¡ã½Ç·ÅÖã®B°åÖÐÐÄÓÐһС¿×ÕýºÃλÓÚƽÃæÖ±½Ç×ø±êϵ xOyÉϵÄOµã£¬yÖáÑØÊúÖ±·½Ïò£®Ò»±ÈºÉΪ1.0¡Á105C/kgµÄ´øÕýµçÁ£×ÓP´ÓA°åÖÐÐÄO¡ä´¦¾²Ö¹ÊͷźóÑØ×öÔȼÓËÙÖ±ÏßÔ˶¯£¬ÒÔËÙ¶Èvo=104m/s£¬·½ÏòÓëxÖáÕý·½Ïò¼Ð30¡ã½Ç´ÓOµã½øÈëÔÈÇ¿µç³¡£¬µç³¡½ö·Ö²¼ÔÚÖáµÄÏ·½£¬³¡Ç¿´óV/m£¬·½ÏòÓëxÖáÕý·½Ïò³É60¡ã½ÇбÏòÉÏ£¬Á£×ÓµÄÖØÁ¦²»¼Æ£®ÊÔÇó£º

(1)ABÁ½°å¼äµÄµçÊƲ
(2)Á£×ÓPÀ뿪µç³¡Ê±µÄ×ø±ê£»
(3)ÈôÔÚP½øÈëµç³¡µÄͬʱ£¬Ôڵ糡ÖÐÊʵ±µÄλÖÃÓɾ²Ö¹ÊÍ·ÅÁíÒ»ÓëPÍêÈ«ÏàͬµÄ´øµçÁ£×ÓQ,¿ÉʹÁ½Á£×ÓÔÚÀ뿪µç³¡Ç°ÏàÓö£®ÇóËùÓÐÂú×ãÌõ¼þµÄÊͷŵãµÄ¼¯ºÏ£¨²»¼ÆÁ½Á£×ÓÖ®¼äµÄÏ໥×÷ÓÃÁ¦£©£®

(1)500V£»(2) (1,0)  (3)  ÇÒm  

½âÎöÊÔÌâ·ÖÎö£º(1)Óɶ¯Äܶ¨Àí  
¿ÉµÃ
(2)Á£×ÓPÔÚ½øÈëµç³¡ºó×öÀàƽÅ×Ô˶¯£¬ÉèÀ뿪µç³¡Ê±¾àO¾àÀëΪL£¬ÈçͼËùʾ£¬
Ôò             
½âµÃ L=1m   ËùÒÔPÀ뿪µç³¡Ê±µÄ×ø±êΪ(1,0) 
(3)ÓÉÓÚÁ£×ÓQÓëPÍêÈ«Ïàͬ£¬ËùÒÔÖ»ÐèÔÚP½øÈëµç³¡Ê±Ëٶȷ½ÏòµÄÖ±ÏßÉϵÄOM·¶Î§ÄÚÈÎÒ»µãÊÍ·ÅÁ£×ÓQ£¬¿É±£Ö¤Á½ÕßÔÚÀ뿪µç³¡Ç°ÏàÅö£¬ËùÔÚµÄÖ±Ïß·½³ÌΪ     
m                       
¹ÊMµÄºá×ø±êΪ m                       
ËùÒÔËùÓÐÂú×ãÌõ¼þµÄÊͷŵãµÄ¼¯ºÏΪ ÇÒm        
¿¼µã£º´øµçÁ£×ÓÔڵ糡ÖеÄÔ˶¯£»¶¯Äܶ¨Àí¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø