ÔÚ¡°ÀûÓõ¥°Ú²âÖØÁ¦¼ÓËٶȡ±µÄʵÑéÖУº

£¨1£©ÒÑÖªµ¥°ÚСÇòµÄÖÊÁ¿Îªm£¬°Ú³¤Îªl£¬Ä³µØÖØÁ¦¼ÓËÙ¶ÈΪg£¬µ±µ¥°Ú×ö°Ú½Ç²»³¬¹ý5¡ãµÄÕñ¶¯Ê±£¬Í¨¹ýÖ¤Ã÷¿ÉÒԵõ½»Ø¸´Á¦F£½£­kx£¬ÆäÖÐk£½_______¡£

£¨2£©Ä³Í¬Ñ§³¢ÊÔÓÃDIS²âÁ¿ÖÜÆÚ¡£Èçͼ¼×Ëùʾ£¬ÓÃÒ»¸ö´ÅÐÔСÇò´úÌæÔ­ÏȵİÚÇò£¬ÔÚµ¥°ÚÏ·½·ÅÖÃÒ»¸ö´Å´«¸ÐÆ÷£¬ÆäÖáÏßÇ¡ºÃλÓÚµ¥°ÚÐü¹ÒµãÕýÏ·½¡£Ê¹µ¥°Ú×öС½Ç¶È°Ú¶¯£¬µ±´Å¸ÐӦǿ¶È²âÁ¿Öµ×î´óʱ£¬´ÅÐÔСÇòλÓÚ×îµÍµã¡£Èô²âµÃÁ¬ÐøN¸ö´Å¸ÐӦǿ¶È×î´óÖµÖ®¼äµÄʱ¼ä¼ä¸ôΪt£¬Ôòµ¥°ÚÖÜÆڵIJâÁ¿ÖµÎª____________£¨µØ´Å³¡ºÍ´Å´«¸ÐÆ÷µÄÓ°Ïì¿ÉºöÂÔ£©¡£

£¨3£©¾­ÀíÂÛÍƵ¼¿ÉÖª£¬µ¥°ÚÔÚÈÎÒâ°Ú½Ç¦ÈʱµÄÖÜÆÚ¹«Ê½¿É½üËÆΪT£½T0£¨1£«sin2£©£¬Ê½ÖÐT0Ϊµ±°Ú½Ç¦ÈÇ÷½üÓÚ0¡ãʱµÄÖÜÆÚ¡£ÎªÁËÓÃͼÏó·¨ÑéÖ¤¸Ã¹Øϵʽ£¬ÈôijͬѧÔÚʵÑéÖеõ½ÁËÈçͼÒÒËùʾµÄͼÏߣ¬ÔòͼÏßµÄбÂÊΪ________£¬×ÝÖá½Ø¾àΪ__________¡£

£¨1£©mg/l                £¨2·Ö£©

£¨2£©                 £¨2·Ö£©

£¨3£©4/T0£¬£­4            £¨¸÷2·Ö£©

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡°ÀûÓõ¥°Ú²âÖØÁ¦¼ÓËٶȡ±µÄʵÑéÖУ¬Óиöͬѧ·¢ÏÖ×Ô¼º²âµÃµÄÖØÁ¦¼ÓËÙ¶È×ÜÊÇÆ«´ó£¬ÆäÔ­Òò¿ÉÄÜÊÇÏÂÊöÔ­ÒòÖÐµÄ £¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÀûÓõ¥°Ú²âÖØÁ¦¼ÓËٶȵÄʵÑéÖУ¬¼××éͬѧÓÃÓα꿨³ß²â³öСÇòµÄÖ±¾¶Èçͼ1Ëùʾ£¬Ôò¸ÃСÇòµÄÖ±¾¶Îª
2.010
2.010
cm£®

ÒÒͬѧÔÚʵÑéÖвâ³ö¶à×é°Ú³¤ºÍÔ˶¯ÖÜÆÚ£¬¸ù¾ÝʵÑéÊý¾Ý£¬×÷³öT2-LµÄ¹ØϵͼÏóÈçͼ2Ëùʾ£¬¸ÃͬѧÔÚʵÑéÖгöÏֵĴíÎó¿ÉÄÜÊǼÆËã°Ú³¤Ê±
¶à¼Ó
¶à¼Ó
£¨Ñ¡Ì©¼Ó¡±»ò¡°¶à¼Ó¡±£©ÁËСÇòµÄ°ë¾¶£®ËäȻʵÑéÖгöÏÖÁËÉÏÊö´íÎ󣬵«¸ù¾ÝͼÏóÖеÄÊý¾ÝÈԿɼÆËã³ö׼ȷµÄÖØÁ¦¼ÓËٶȣ¬ÆäֵΪ
9.86
9.86
m/s2£®£¨×îºó½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Óõ¥°Ú²âÖØÁ¦¼ÓËÙ¶Èʱ£¬Ä³Í¬Ñ§ÔÚÀûÓõ¥°Ú²âÖØÁ¦¼ÓËٶȵÄʵÑéÖУ¬Èô²âµÃÖØÁ¦¼ÓËÙ¶ÈÆ«´ó£¬Ôò¿ÉÄÜÊÇ £¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ʵÑéÌ⣺
¾«Ó¢¼Ò½ÌÍø
£¨1£©¢ÙÔÚÀûÓõ¥°Ú²âÖØÁ¦¼ÓËٶȵÄʵÑéÖУ¬¼××éͬѧÓÃÓα꿨³ß²â³öСÇòµÄÖ±¾¶Èçͼ1Ëùʾ£®Ôò¸ÃСÇòµÄÖ±¾¶Îª
 
cm£®
¢ÚÒÒ×éͬѧÔÚʵÑéÖвâ³ö¶à×é°Ú³¤ºÍÔ˶¯µÄÖÜÆÚ£¬¸ù¾ÝʵÑéÊý¾Ý£¬×÷³öT2-LµÄ¹ØϵͼÏóÈçͼ2Ëùʾ£¬¸ÃͬѧÔÚʵÑéÖгöÏֵĴíÎó¿ÉÄÜÊǼÆËã°Ú³¤Ê±
 
£¨Ñ¡Ì©¼Ó¡±»ò¡°¶à¼Ó¡±£©ÁËСÇòµÄ°ë¾¶£®
¢ÛËäȻʵÑéÖгöÏÖÁË´íÎ󣬵«¸ù¾ÝͼÏóÖеÄÊý¾Ý£¬ÈÔ¿ÉËã³ö׼ȷµÄÖØÁ¦¼ÓËٶȣ¬ÆäֵΪ
 
rn/s2£¨×îºó½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£®
£¨2£©ÓðëÆ«·¨²âµçÁ÷±íÄÚ×裬ÌṩµÄÆ÷²ÄÈçÏ£º
¸Éµç³Ø£¨µç¶¯ÊÆEԼΪ1.5V£¬ÄÚ×èrԼΪ10¦¸£©¡¢´ý²âµçÁ÷±íA£¨0¡«50¦ÌA£¬ÄÚ×èÔ¼4k¦¸£©¡¢µç×èÏäR1¡¢R2£¨¾ùΪ0¡«99999.9¦¸£©¡¢µç¼ü¡¢µ¼ÏßÈô¸É£®
¢ÙʵÑéµç·Èçͼ3£¬ÓйØʵÑé²Ù×÷¼°²âÁ¿ÈçÏ£º
I£®Ö»±ÕºÏS£¬µ±µ÷½ÚR1µ½26090.0¦¸Ê±£¬µçÁ÷±íAÂúÆ«£»
¢ò£®ÔÙ±ÕºÏS1£¬R2µ÷Ϊ3770.0¦¸Ê±£¬µçÁ÷±íA°ëÆ«£¬Óɴ˿ɵõçÁ÷±íµÄÄÚ×èRgµÄ²âÁ¿ÖµÎª
 
¦¸£®
¢Ú°ëÆ«·¨²âÁ¿µçÁ÷±íÄÚ×èʱ£¬ÒªÇóR1£¾Rg£¨±ÈÖµR1/RgÔ½´ó£®²âÁ¿Îó²îԽС£©£¬±¾ÊµÑéÖÐR1Ëä±ÈRg´ó£®µ«Á½ÕßÖ®±È²»ÊǺܴó£¬Òò´Ëµ¼ÖÂRgµÄ²âÁ¿Îó²î½Ï´ó£®¾ßÌå·ÖÎöÈçÏ£ºµçÁ÷±íA°ëƫʱµÄ»Ø·×ܵç×è±ÈȫƫʱµÄ»Ø·×ܵç×è
 
£¨Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©£¬µ¼ÖÂÕâʱµÄ×ܵçÁ÷
 
£¨Ñ¡Ìî¡°±ä´ó¡±»ò¡°±äС¡±£©£¬°ëƫʱR2
 
Rg£¨Ìî¡°´óÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©£®
¢ÛΪ¼õСRgµÄ²âÁ¿Îó²î£¬¿ÉÒÔͨ¹ý²¹³¥»Ø·×ܵç×èµÄ·½·¨£¬¼´°Ñ°ëƫʱ»Ø·µÄ×ܵç×èµÄ±ä»¯²¹»ØÀ´£®¾ßÌåµÄÊýÖµ¿ÉÒÔͨ¹ý¹ÀËãµÃ³ö£¬Êµ¼Ê²Ù×÷ÈçÏ£ºÔÚ¢ÙÖдֲâ³öRgºó£¬ÔÙ°ÑR1ÏÈÔö¼Óµ½
 
¦¸[ÓõڢÙÎÊÖеÄÓйØÌõ¼þÇóµÃ¾ßÌåÊýÖµ]£¬ÔÙµ÷½ÚR2ʹµçÁ÷±í
 
£®ÓÃÕâʱR2µÄÖµ±íʾRgµÄ²âÁ¿Öµ£¬Èç´Ë¶à´Î²¹³¥¼´¿ÉʹÎó²î¾¡Á¿µÃÒÔ¼õС£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê¸ÊËàÊ¡¸ßÒ»ÏÂѧÆÚÆÚÄ©¿¼ÊÔÎïÀíÊÔÌâ ÌâÐÍ£ºÊµÑéÌâ

Óõ¥°Ú²âÖØÁ¦¼ÓËÙ¶Èʱ,ijͬѧÔÚÀûÓõ¥°Ú²âÖØÁ¦¼ÓËٶȵÄʵÑéÖÐ,Èô²âµÃÖØÁ¦¼ÓËÙ¶ÈÆ«´ó,Ôò¿ÉÄÜÊÇ(      )

A£®¼ÆËã°Ú³¤Ê±,Ö»¿¼ÂÇÐüÏß³¤,©¼ÓÁËСÇòµÄ°ë¾¶

B£®Îó°ÑÐüÏß³¤ºÍСÇòµÄÖ±¾¶Ö®ºÍ×÷Ϊ°Ú³¤

C£®²âÁ¿ÖÜÆÚʱ,½«(n+1)´ÎÈ«Õñ¶¯Îó¼ÇΪn´ÎÈ«Õñ¶¯

D£®²âÁ¿ÖÜÆÚʱ,½«n´ÎÈ«Õñ¶¯Îó¼ÇΪ(n+1)´ÎÈ«Õñ¶¯

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸