ÏÖ´úÖÊÆ×ÒÇ¿ÉÓÃÀ´·ÖÎö±ÈÖÊ×ÓÖغܶ౶µÄÀë×Ó£¬ÆäʾÒâͼÈçͼËùʾ£¬ÆäÖмÓËÙµçѹºã¶¨¡£ÖÊ×ÓÔÚÈë¿Ú´¦´Ó¾²Ö¹¿ªÊ¼±»¼ÓËٵ糡¼ÓËÙ£¬¾­ÔÈÇ¿´Å³¡Æ«×ªºó´Ó³ö¿ÚÀ뿪´Å³¡¡£ÈôijÖÖÒ»¼ÛÕýÀë×ÓÔÚÈë¿Ú´¦´Ó¾²Ö¹¿ªÊ¼±»Í¬Ò»¼ÓËٵ糡¼ÓËÙ£¬ÎªÊ¹Ëü¾­ÔÈÇ¿´Å³¡Æ«×ªºóÈÔ´Óͬһ³ö¿ÚÀ뿪´Å³¡£¬Ð轫´Å¸ÐӦǿ¶ÈÔö¼Óµ½Ô­À´µÄ12±¶¡£´ËÀë×ÓºÍÖÊ×ÓµÄÖÊÁ¿±ÈԼΪ

A£®11 B£®12 C£®121 D£®144

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨ÉϺ£¾í¾«±à°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÈçͼËùʾµç·ÖУ¬µçÔ´ÄÚ×èºöÂÔ²»¼Æ¡£±ÕºÏµç¼ü£¬µçѹ±íʾÊýΪU£¬µçÁ÷±íʾÊýΪI£»ÔÚ»¬¶¯±ä×èÆ÷R1µÄ»¬Æ¬PÓÉa¶Ë»¬µ½b¶ËµÄ¹ý³ÌÖÐ

£¨A£©UÏȱä´óºó±äС

£¨B£©IÏȱäСºó±ä´ó

£¨C£©UÓëI±ÈÖµÏȱä´óºó±äС

£¨D£©U±ä»¯Á¿ÓëI±ä»¯Á¿±ÈÖµµÈÓÚR3

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨È«¹ú2¾í¾«±à°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

Ò»¶¨Á¿µÄÀíÏëÆøÌå´Ó״̬a¿ªÊ¼£¬¾­ÀúµÈλòµÈѹ¹ý³Ìab¡¢bc¡¢cd¡¢da»Øµ½Ô­×´Ì¬£¬Æäp¨CTͼÏñÈçͼËùʾ£¬ÆäÖжԽÇÏßacµÄÑÓ³¤Ïß¹ýÔ­µãO¡£ÏÂÁÐÅжÏÕýÈ·µÄÊÇ________¡££¨ÌîÕýÈ·´ð°¸±êºÅ¡£Ñ¡¶Ô1¸öµÃ2·Ö£¬Ñ¡¶Ô2¸öµÃ4·Ö£¬Ñ¡¶Ô3¸öµÃ5·Ö¡£Ã¿Ñ¡´í1¸ö¿Û3·Ö£¬×îµÍµÃ·ÖΪ0·Ö£©

A£®ÆøÌåÔÚa¡¢cÁ½×´Ì¬µÄÌå»ýÏàµÈ

B£®ÆøÌåÔÚ״̬aʱµÄÄÚÄÜ´óÓÚËüÔÚ״̬cʱµÄÄÚÄÜ

C£®ÔÚ¹ý³ÌcdÖÐÆøÌåÏòÍâ½ç·Å³öµÄÈÈÁ¿´óÓÚÍâ½ç¶ÔÆøÌå×öµÄ¹¦

D£®ÔÚ¹ý³ÌdaÖÐÆøÌå´ÓÍâ½çÎüÊÕµÄÈÈÁ¿Ð¡ÓÚÆøÌå¶ÔÍâ½ç×öµÄ¹¦

E£®ÔÚ¹ý³ÌbcÖÐÍâ½ç¶ÔÆøÌå×öµÄ¹¦µÈÓÚÔÚ¹ý³ÌdaÖÐÆøÌå¶ÔÍâ½ç×öµÄ¹¦

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨È«¹ú1¾í¾«±à°æ£© ÌâÐÍ£º¼ÆËãÌâ

ÔÚË®ÏÂÆøÅÝÄÚ¿ÕÆøµÄѹǿ´óÓÚÆøÅݱíÃæÍâ²àË®µÄѹǿ£¬Á½Ñ¹Ç¿²î¦¤pÓëÆøÅݰ뾶rÖ®¼äµÄ¹ØϵΪ¦¤p=,ÆäÖЦÒ=0.070 N/m¡£ÏÖÈÃË®ÏÂ10 m´¦Ò»°ë¾¶Îª0.50 cmµÄÆøÅÝ»ºÂýÉÏÉý¡£ÒÑÖª´óÆøѹǿp0=1.0¡Á105 Pa£¬Ë®µÄÃܶȦÑ=1.0¡Á103 kg/m3£¬ÖØÁ¦¼ÓËٶȴóСg=10 m/s2¡£

£¨i£©ÇóÔÚË®ÏÂ10 m´¦ÆøÅÝÄÚÍâµÄѹǿ²î£»

£¨ii£©ºöÂÔË®ÎÂËæË®ÉîµÄ±ä»¯£¬ÔÚÆøÅÝÉÏÉýµ½Ê®·Ö½Ó½üË®Ãæʱ£¬ÇóÆøÅݵİ뾶ÓëÆäÔ­À´°ë¾¶Ö®±ÈµÄ½üËÆÖµ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨È«¹ú1¾í¾«±à°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

Èçͼ£¬Ò»´ø¸ºµçºÉµÄÓ͵ÎÔÚÔÈÇ¿µç³¡ÖÐÔ˶¯£¬Æä¹ì¼£ÔÚÊúֱƽÃ棨ֽÃ棩ÄÚ£¬ÇÒÏà¶ÔÓÚ¹ý¹ì¼£×îµÍµãPµÄÊúÖ±Ï߶Գơ£ºöÂÔ¿ÕÆø×èÁ¦¡£ÓÉ´Ë¿ÉÖª

A£®QµãµÄµçÊƱÈPµã¸ß

B£®Ó͵ÎÔÚQµãµÄ¶¯ÄܱÈËüÔÚPµãµÄ´ó

C£®Ó͵ÎÔÚQµãµÄµçÊÆÄܱÈËüÔÚPµãµÄ´ó

D£®Ó͵ÎÔÚQµãµÄ¼ÓËٶȴóС±ÈËüÔÚPµãµÄС

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨½­ËÕ¾í¾«±à°æ£© ÌâÐÍ£º¼ÆËãÌâ

¼¸ÖÖ½ðÊôµÄÒç³ö¹¦W0¼ûÏÂ±í£º

ÓÃÒ»Êø¿É¼û¹âÕÕÉäÉÏÊö½ðÊôµÄ±íÃ棬Çëͨ¹ý¼ÆËã˵Ã÷ÄÄЩÄÜ·¢Éú¹âµçЧӦ£®ÒÑÖª¸Ã¿É¼û¹âµÄ²¨³¤·¶Î§Îª4.0¡Á10-7~7.6¡Á10-7m£¬ÆÕÀʿ˳£Êýh=6.63¡Á10-34J¡¤s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨½­ËÕ¾í¾«±à°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

Èçͼ1Ëùʾ£¬ÔÚ˹ÌØÁÖÑ­»·µÄp¨CVͼÏóÖУ¬Ò»¶¨ÖÊÁ¿ÀíÏëÆøÌå´Ó״̬AÒÀ´Î¾­¹ý״̬B¡¢CºÍDºóÔٻص½×´Ì¬A£¬Õû¸ö¹ý³ÌÓÉÁ½¸öµÈκÍÁ½¸öµÈÈݹý³Ì×é³É£®B¡úCµÄ¹ý³ÌÖУ¬µ¥Î»Ìå»ýÖеÄÆøÌå·Ö×ÓÊýÄ¿ £¨Ñ¡Ìî¡°Ôö´ó¡±¡¢¡°¼õС¡±»ò¡°²»±ä¡±£©£®×´Ì¬AºÍ״̬DµÄÆøÌå·Ö×ÓÈÈÔ˶¯ËÙÂʵÄͳ¼Æ·Ö²¼Í¼ÏóÈçͼ2Ëùʾ£¬Ôò״̬A¶ÔÓ¦µÄÊÇ £¨Ñ¡Ìî¡°¢Ù¡±»ò¡°¢Ú¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2016ÄêÈ«¹úÆÕͨ¸ßµÈѧУÕÐÉúͳһ¿¼ÊÔÎïÀí£¨º£ÄÏ¾í¾«±à°æ£© ÌâÐÍ£º¼ÆËãÌâ

Èçͼ£¬ÃܱÕÆû¸×Á½²àÓëÒ»UÐιܵÄÁ½¶ËÏàÁ¬£¬Æû¸×±Úµ¼ÈÈ£»UÐιÜÄÚÊ¢ÓÐÃܶÈΪ¦Ñ=7.5¡Á102 kg/m3µÄÒºÌå¡£Ò»»îÈû½«Æû¸×·Ö³É×ó¡¢ÓÒÁ½¸öÆøÊÒ£¬¿ªÊ¼Ê±£¬×óÆøÊÒµÄÌå»ýÊÇÓÒÆøÊÒµÄÌå»ýµÄÒ»°ë£¬ÆøÌåµÄѹǿ¾ùΪp0=4.5¡Á103 Pa¡£Íâ½çζȱ£³Ö²»±ä¡£»ºÂýÏòÓÒÀ­»îÈûʹUÐιÜÁ½²àÒºÃæµÄ¸ß¶È²îh=40 cm£¬Çó´Ëʱ×ó¡¢ÓÒÁ½ÆøÊÒµÄÌå»ýÖ®±È¡£È¡ÖØÁ¦¼ÓËٶȴóСg=10 m/s2£¬UÐιÜÖÐÆøÌåµÄÌå»ýºÍ»îÈûÀ­¸ËµÄÌå»ýºöÂÔ²»¼Æ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2015-2016ѧÄêÕã½­½ð»ª¡¢ÎÂÖÝ¡¢Ì¨Öݲ¿·ÖѧУ¸ßÒ»ÏÂ11Áª¿¼ÎïÀí¾í£¨½âÎö°æ£© ÌâÐÍ£º¼ò´ðÌâ

Ò»ÊÔ̽µçºÉ£¬Ôڵ糡ÖÐijµãPÊܵ½µÄµç³¡Á¦´óСΪ£¬·½ÏòˮƽÏòÓÒ£®Çó£º

£¨1£©PµãµÄµç³¡Ç¿¶È£»

£¨2£©Ã»ÓмìÑéµçºÉʱPµãµÄµç³¡Ç¿¶È£»

£¨3£©Èô½«ÊÔ̽µçºÉ»»Îª£¬ÔÙ·ÅÓÚPµã£¬´ËÊÔ̽µçºÉËùÊܵĵ糡Á¦F¡ä£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸