¾«Ó¢¼Ò½ÌÍøÔÚ×ö¡°ÓÃÓÍĤ·¨¹À²â·Ö×ӵĴóС¡±ÊµÑéÖУ¬ÊµÑé¼òÒª²½ÖèÈçÏ£º
¢Ù£®È¡Ò»¶¨Á¿µÄÎÞË®¾Æ¾«ºÍÓÍËᣬÖƳÉÒ»¶¨Å¨¶ÈµÄÓÍËá¾Æ¾«ÈÜÒº£»
¢Ú£®ÔÚÁ¿Í²ÖеÎÈëÒ»µÎ¸ÃÈÜÒº£¬²â³öËüµÄÌå»ý£»
¢Û£®ÔÚÕô·¢ÃóÄÚÊ¢Ò»¶¨Á¿µÄË®£¬ÔÙµÎÈëÒ»µÎÓÍËá¾Æ¾«ÈÜÒº£¬´ýÆäÉ¢¿ªÎȶ¨£»
¢Ü£®ÔÚÕô·¢ÃóÉϸ²¸Ç͸Ã÷ƽ²£Á§£¬Ãè³öÓÍĤÐÎ×´£¬ÓÃ͸Ã÷·½¸ñÖ½²âÁ¿ÓÍĤµÄÃæ»ý£»
£¨1£©Ö¸³öÉÏÃæ³ö´íµÄ²½Öè²¢¸ÄÕý
 

£¨2£©´ËʵÑéÖÐÓÍËá¾Æ¾«ÈÜÒºµÄŨ¶ÈΪÿ104mLÈÜÒºÖÐÓд¿ÓÍËá1mL£®ÓÃ×¢ÉäÆ÷²âµÃ1mLÉÏÊöÈÜÒºÖÐÓÐÒºµÎ100µÎ£®°Ñ1µÎ¸ÃÈÜÒºµÎÈëʢˮµÄdzˮÅÌÀ´ýË®ÃæÎȶ¨ºó£¬½«²£Á§°å·ÅÔÚdzˮÅÌÉÏ£¬ÔÚ²£Á§°åÉÏÃè³öÓÍĤµÄÂÖÀª£¬Ëæºó°Ñ²£Á§·ÅÔÚ×ø±êÖ½ÉÏ£¬ÆäÐÎ×´ÈçͼËùʾ£¬×ø±êÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îª1cm£¬ÔòÓÍĤÃæ»ýΪ
 
m2£¬´ËÓÍËá·Ö×ÓµÄÖ±¾¶Îª
 
m£®£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
·ÖÎö£º£¨1£©È¡¶àµÎÓÍËá¾Æ¾«ÈÜÒº£¬Çóƽ¾ùÖµ£¬²ÅʹµÃÒ»µÎ¸ÃÈÜÒºµÄÌå»ý½ÏΪ׼ȷ£»Èöðò×Ó·Û¸üÄÜÇå³þµØ¿´ÇåÓÍĤµÄÐÎ×´£»
£¨2£©²ÉÓùÀËãµÄ·½·¨ÇóÓÍĤµÄÃæ»ý£¬Í¨¹ýÊýÕý·½ÐεĸöÊý£ºÃæ»ý³¬¹ýÕý·½ÐÎÒ»°ëËãÒ»¸ö£¬²»×ãÒ»°ëµÄ²»Ë㣬Êý³öÕý·½ÐεÄ×ܸöÊý³ËÒÔÒ»¸öÕý·½ÐεÄÃæ»ý£¬½üËÆËã³öÓÍËáĤµÄÃæ»ý£®
°ÑÓÍËá·Ö×Ó¿´³ÉÇòÐΣ¬ÇÒ²»¿¼ÂÇ·Ö×Ó¼äµÄ¿Õ϶£¬ÓÍĤµÄºñ¶È½üËƵÈÓÚÓÍËá·Ö×ÓµÄÖ±¾¶£¬ÓÉd=
V
S
Çó³öÓÍËá·Ö×ÓÖ±¾¶£®
½â´ð£º½â£º£¨1£©
¢ÚÒª²â³öÒ»µÎÓÍËá¾Æ¾«ÈÜÒºµÄÌå»ý£¬¼´ÔÚÁ¿Í²ÖеÎÈëNµÎÈÜÒº£¬
²â³öÆäÌå»ýΪV£¬ÔòÒ»µÎ¸ÃÈÜÒºµÄÌå»ýΪV1=
V
n
£»
¢ÛΪÁËʹһµÎÓÍËá¾Æ¾«ÈÜҺɢ¿ªºó½çÃæ±È½ÏÇåÎú£¬ÒªÔÚË®ÃæÉÏÏÈÈöÉÏðò×Ó·Û£®
Òò´Ë´íÎóµÄ²½ÖèÊÇ¢Ú£¬Ó¦ÔÚÁ¿Í²ÖеÎÈë¶àµÎÈÜÒººó²âÁ¿ËüµÄÌå»ý£»¶ø²½Öè¢Û£¬ÎªÄÜÇå³þµØ¿´ÇåÓÍĤµÄÐÎ×´£¬ÒªÏÈÔÚË®ÃæÉÏÈöÉϱ¡±¡µÄÒ»²ãðò×Ó·Û£¬ÔÙµÎÈëÓÍËá¾ÆÇåÈÜÒº£»
£¨2£©Ãæ»ý³¬¹ýÕý·½ÐÎÒ»°ëµÄÕý·½ÐεĸöÊýΪ67¡«71¸ö£¬ÔòÓÍËáĤµÄÃæ»ýԼΪS=6.7£¨6.7¡«7.1£©¡Á10-3m2£®
ÿµÎ¾Æ¾«ÓÍËáÈÜÒºÖк¬Óд¿ÓÍËáµÄÌå»ýΪ£ºV=1mL¡Á
1
104
¡Á
1
100
=1¡Á10-6mL
£¨3£©°ÑÓÍËá·Ö×Ó¿´³ÉÇòÐΣ¬ÇÒ²»¿¼ÂÇ·Ö×Ó¼äµÄ¿Õ϶£¬ÔòÓÍËá·Ö×ÓÖ±¾¶Îª£º
d=
V
S
=
1¡Á10-6¡Á10-6
6.7¡Á10-3
m¡Ö1.5¡Á10-10m£®
¹Ê´ð°¸Îª£º£¨1£©²½ÖèÊÇ¢Ú£¬Ó¦ÔÚÁ¿Í²ÖеÎÈë¶àµÎÈÜÒººó²âÁ¿ËüµÄÌå»ý£»¶ø²½Öè¢Û£¬ÎªÄÜÇå³þµØ¿´ÇåÓÍĤµÄÐÎ×´£¬ÒªÏÈÔÚË®ÃæÉÏÈöÉϱ¡±¡µÄÒ»²ãðò×Ó·Û£¬ÔÙµÎÈëÓÍËá¾ÆÇåÈÜÒº£»
£¨2£©6.7£¨6.7¡«7.1£©¡Á10-3£»1.5¡Á10-10
µãÆÀ£º±¾Ì⿼²é¡°Óõ¥·Ö×ÓÓÍĤ¹À²â·Ö×Ó´óС¡±ÊµÑéµÄʵÑé²½ÖèºÍÊý¾Ý´¦Àí£®
ÇÒʵÑéµÄÄ£ÐÍÊDz»¿¼ÂÇÓÍËá·Ö×Ó¼äµÄ¼ä϶£¬²ÉÓùÀËãµÄ·½·¨ÇóÃæ»ý£¬¿Ï¶¨´æÔÚÎó²î£¬µ«±¾ÊµÑéÖ»ÒªÇó¹ÀËã·Ö×ӵĴóС£¬ÊýÁ¿¼¶·ûºÅ¾ÍÐÐÁË£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©£¨8·Ö£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ        £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª             m¡£

£¨2£©(8·Ö) ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£

¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡ ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡  ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£

¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º

ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡  kg¡¤m/s £»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡  kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê¹ã¶«Ê¡¶«Ý¸Êи߶þµÚ¶þѧÆÚÆÚÄ©¿¼ÊÔÎïÀíA¾í ÌâÐÍ£ºÊµÑéÌâ

£¨1£©£¨8·Ö£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ        £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª             m¡£

£¨2£©(8·Ö) ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£
¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡ ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡ ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£
¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º[À´Ô´:ѧ¿ÆÍøZXXK]
ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s£»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄêÖØÇìÊС°ÃûУÁªÃË¡±¸ß¶þµÚÒ»´ÎÁª¿¼Àí¿Æ×ÛºÏÎïÀíÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÊµÑéÌâ

ʵÑéÌ⣨¹²¼Æ18·Ö£©
£¨1£©£¨3·Ö£©Óõ¥°Ú²âÖØÁ¦¼ÓËٶȣ¬ÏÂÁÐʵÑéÆ÷²ÄÁÏÖв»ÐèÒªµÄÊÇ        £¨Ìî·ûºÅ£©
A£®Ìú¼Ų̈          B£®´øϸ¿×µÄСľÇò      C£®´øϸ¿×µÄС¸ÖÇò
D£®Ãë±í            E£®Ììƽ                F£®Ï¸Ïß
G£®Óα꿨³ß        H£®mm¿Ì¶È³ß        I£®Ï¸ÌúË¿
£¨2£©£¨Ã¿¿Õ3·Ö¡¢¹²6·Ö£©ÔÚ×öÓÃÓÍĤ·¨¹À²â·Ö×ÓÖ±¾¶´óСµÄʵÑéÖУ¬ÒÑ֪ʵÑéÊÒÖÐʹÓõľƾ«ÓÍËáÈÜÒºµÄÌå»ýŨ¶ÈΪn£¬ÓÖÓõιܲâµÃÿNµÎÕâÖ־ƾ«ÓÍËáµÄ×ÜÌå»ýΪV£¬£¬½«Ò»µÎÕâÖÖÈÜÒºµÎÔÚdzÅÌÖеÄË®ÃæÉÏ£¬ÔÚ²£Á§°åÉÏÃè³öÓÍĤµÄ±ß½çÏߣ¬ÔٰѲ£Á§°å·ÅÔÚ»­Óб߳¤ÎªaµÄÕý·½ÐÎС¸ñµÄÖ½ÉÏ£¨ÈçÓÒͼ)²âµÃÓÍĤռÓеÄСÕý·½ÐθöÊýΪm¡£

£¨a£©ÓÃÒÔÉÏ×Öĸ±íʾÓÍËá·Ö×ÓÖ±¾¶µÄ´óСd=________¡£
£¨b£©´ÓÓÒͼÖÐÊýµÃÓÍĤռÓеÄСÕý·½ÐθöÊýΪm=______¡£
£¨3£©£¨9·Ö£©ÔÚ¡°ÓÃÃè¼£·¨»­³öµç³¡ÖÐƽÃæÉϵĵÈÊÆÏß¡±µÄʵÑéÖУ¬ÒÑÅжϳöÁéÃôµçÁ÷¼ÆµÄÖ¸Õëƫת·½ÏòÓëµçÁ÷·½Ïò¼äµÄ¹ØϵÊÇ£ºµ±µçÁ÷ÓÉÕý½ÓÏßÖùÁ÷ÈëµçÁ÷¼Æʱ£¬µçÁ÷¼ÆµÄÖ¸ÕëÏòÕý½ÓÏßÖùƫת£¬µ±µçÁ÷Óɸº½ÓÏßÖùÁ÷ÈëµçÁ÷¼Æʱ£¬µçÁ÷¼ÆµÄÖ¸ÕëÏò¸º½ÓÏßÖùƫת¡£ÈçͼËùʾ£¬Ôڵ缫A¡¢BµÄÁ¬ÏßÉϵȾàÀëµØÈ¡a¡¢b¡¢c¡¢d¡¢eµÈ5¸ö»ù×¼µã£¬½ø¶øÃè»æ³ö¹ý¸Ã»ù×¼µãµÄµÈÊÆÏß¡£

£¨a£©ÊµÑéʱÐèÔÚľ°åÉÏ×ÔÉ϶øÏÂÒÀ´ÎÆÌ·Å_____Ö½¡¢_____Ö½¡¢_____Ö½¡££¨Ã¿¿Õ1·Ö£©
£¨b£©£¨3·Ö£©ÈôÔÚͼÖÐÁ¬½ÓÁéÃôµçÁ÷¼ÆÕý½ÓÏßÖùµÄ̽Õë½Ó´¥aµã£¬Á¬½ÓÁéÃôµçÁ÷¼Æ¸º½ÓÏßÖùµÄ̽Õë½Ó´¥bµãʱ£¬ÁéÃôµçÁ÷¼ÆµÄÖ¸ÕëÏò¸º½ÓÏßÖùƫת£¬Ôò¿ÉÒÔÅжϵ缫A½ÓÔÚµçÔ´µÄ_____¼«ÉÏ£¨Ñ¡Ìî¡°Õý¡±»ò¡°¸º¡±£©¡£
£¨c£©£¨3·Ö£©£©ÈôÁéÃôµçÁ÷¼ÆµÄÁ½¸ö̽Õë·Ö±ð½Ó´¥aµãºÍbµã£¬ÁéÃôµçÁ÷¼ÆµÄʾÊýΪI1£»ÈôÁéÃôµçÁ÷¼ÆµÄÁ½¸ö̽Õë·Ö±ð½Ó´¥bµãºÍcµã£¬ÁéÃôµçÁ÷¼ÆµÄʾÊýΪI2¡£ÔòI1ºÍI2Ïà±È½Ï£¬ÓÐI1________I2£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012½ìÖØÇìÊС°ÃûУÁªÃË¡±¸ß¶þµÚÒ»´ÎÁª¿¼Àí¿Æ×ÛºÏÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

ʵÑéÌ⣨¹²¼Æ18·Ö£©

£¨1£©£¨3·Ö£©Óõ¥°Ú²âÖØÁ¦¼ÓËٶȣ¬ÏÂÁÐʵÑéÆ÷²ÄÁÏÖв»ÐèÒªµÄÊÇ         £¨Ìî·ûºÅ£©

A£®Ìú¼Ų̈           B£®´øϸ¿×µÄСľÇò      C£®´øϸ¿×µÄС¸ÖÇò

D£®Ãë±í             E£®Ììƽ                 F£®Ï¸Ïß

G£®Óα꿨³ß         H£®mm¿Ì¶È³ß         I£®Ï¸ÌúË¿

£¨2£©£¨Ã¿¿Õ3·Ö¡¢¹²6·Ö£©ÔÚ×öÓÃÓÍĤ·¨¹À²â·Ö×ÓÖ±¾¶´óСµÄʵÑéÖУ¬ÒÑ֪ʵÑéÊÒÖÐʹÓõľƾ«ÓÍËáÈÜÒºµÄÌå»ýŨ¶ÈΪn£¬ÓÖÓõιܲâµÃÿNµÎÕâÖ־ƾ«ÓÍËáµÄ×ÜÌå»ýΪV£¬£¬½«Ò»µÎÕâÖÖÈÜÒºµÎÔÚdzÅÌÖеÄË®ÃæÉÏ£¬ÔÚ²£Á§°åÉÏÃè³öÓÍĤµÄ±ß½çÏߣ¬ÔٰѲ£Á§°å·ÅÔÚ»­Óб߳¤ÎªaµÄÕý·½ÐÎС¸ñµÄÖ½ÉÏ£¨ÈçÓÒͼ)²âµÃÓÍĤռÓеÄСÕý·½ÐθöÊýΪm¡£

£¨a£©ÓÃÒÔÉÏ×Öĸ±íʾÓÍËá·Ö×ÓÖ±¾¶µÄ´óСd=________¡£

£¨b£©´ÓÓÒͼÖÐÊýµÃÓÍĤռÓеÄСÕý·½ÐθöÊýΪm=______¡£

£¨3£©£¨9·Ö£©ÔÚ¡°ÓÃÃè¼£·¨»­³öµç³¡ÖÐƽÃæÉϵĵÈÊÆÏß¡±µÄʵÑéÖУ¬ÒÑÅжϳöÁéÃôµçÁ÷¼ÆµÄÖ¸Õëƫת·½ÏòÓëµçÁ÷·½Ïò¼äµÄ¹ØϵÊÇ£ºµ±µçÁ÷ÓÉÕý½ÓÏßÖùÁ÷ÈëµçÁ÷¼Æʱ£¬µçÁ÷¼ÆµÄÖ¸ÕëÏòÕý½ÓÏßÖùƫת£¬µ±µçÁ÷Óɸº½ÓÏßÖùÁ÷ÈëµçÁ÷¼Æʱ£¬µçÁ÷¼ÆµÄÖ¸ÕëÏò¸º½ÓÏßÖùƫת¡£ÈçͼËùʾ£¬Ôڵ缫A¡¢BµÄÁ¬ÏßÉϵȾàÀëµØÈ¡a¡¢b¡¢c¡¢d¡¢eµÈ5¸ö»ù×¼µã£¬½ø¶øÃè»æ³ö¹ý¸Ã»ù×¼µãµÄµÈÊÆÏß¡£

£¨a£©ÊµÑéʱÐèÔÚľ°åÉÏ×ÔÉ϶øÏÂÒÀ´ÎÆÌ·Å_____Ö½¡¢_____Ö½¡¢_____Ö½¡££¨Ã¿¿Õ1·Ö£©

£¨b£©£¨3·Ö£©ÈôÔÚͼÖÐÁ¬½ÓÁéÃôµçÁ÷¼ÆÕý½ÓÏßÖùµÄ̽Õë½Ó´¥aµã£¬Á¬½ÓÁéÃôµçÁ÷¼Æ¸º½ÓÏßÖùµÄ̽Õë½Ó´¥bµãʱ£¬ÁéÃôµçÁ÷¼ÆµÄÖ¸ÕëÏò¸º½ÓÏßÖùƫת£¬Ôò¿ÉÒÔÅжϵ缫A½ÓÔÚµçÔ´µÄ_____¼«ÉÏ£¨Ñ¡Ìî¡°Õý¡±»ò¡°¸º¡±£©¡£

£¨c£©£¨3·Ö£©£©ÈôÁéÃôµçÁ÷¼ÆµÄÁ½¸ö̽Õë·Ö±ð½Ó´¥aµãºÍbµã£¬ÁéÃôµçÁ÷¼ÆµÄʾÊýΪI1£»ÈôÁéÃôµçÁ÷¼ÆµÄÁ½¸ö̽Õë·Ö±ð½Ó´¥bµãºÍcµã£¬ÁéÃôµçÁ÷¼ÆµÄʾÊýΪI2¡£ÔòI1ºÍI2Ïà±È½Ï£¬ÓÐI1________I2£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê¹ã¶«Ê¡¶«Ý¸Êи߶þµÚ¶þѧÆÚÆÚÄ©¿¼ÊÔÎïÀíA¾í ÌâÐÍ£ºÊµÑéÌâ

£¨1£©£¨8·Ö£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ         £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª              m¡£

£¨2£©(8·Ö) ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£

¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡  ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡  ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£

¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º[À´Ô´:ZXXK]

ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡  kg¡¤m/s £»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡  kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸