ͼÖÐÊúֱԲͲÊǹ̶¨²»¶¯µÄ£¬´ÖͲºá½ØÃæ»ýÊÇϸͲµÄ4±¶£¬Ï¸Í²×ã¹»³¤¡£´ÖͲÖÐA¡¢BÁ½ÇáÖÊ»îÈû¼ä·âÓпÕÆø£¬ÆøÖù³¤L="20" cm£®»îÈûAÉÏ·½µÄË®ÒøÉîH="10" cm£¬Á½»îÈûÓëͲ±Ú¼äµÄĦ²Á²»¼Æ¡£ÓÃÍâÁ¦ÏòÉÏÍÐס»îÈûB£¬Ê¹Ö®´¦ÓÚƽºâ״̬£¬Ë®ÒøÃæÓë´ÖͲÉ϶ËÏàƽ¡£ÏÖʹ»îÈûB»ºÂýÉÏÒÆ£¬Ö±ÖÁË®ÒøµÄÒ»°ë±»ÍÆÒÔÈëϸͲÖУ¬Çó»îÈûBÉÏÒƵľàÀë¡£ÉèÔÚÕû¸ö¹ý³ÌÖÐÆøÖùµÄζȲ»±ä£¬´óÆøѹǿp0Ï൱ÓÚ75 cm¸ßµÄË®ÒøÖù²úÉúµÄѹǿ¡£

d=8cm

½âÎöÊÔÌâ·ÖÎö£ºÉèÆøÌå³õ̬µÄѹǿΪP1£¬ÆøÌåĩ̬µÄѹǿΪP2£¬
ÔòÓÐP1=P0+H
ÉèSΪ´ÙԲͲµÄºá½ØÃæ»ý£¬ÆøÌå³õ̬µÄÌå»ýΪV1=SL£¬
P2=P0+H/2+2H= P0+2.5H
Éèĩ̬µÄÆøÖù³¤¶ÈΪL¡®£¬ÆøÌåÌå»ýΪV2= L¡®S
Óɲ£Òâ¶û¶¨ÂɵãºP1SL=P2SL¡¯
»îÈûÉÏÒƵľàÀëΪd,
L+H/2-d= L¡¯
´øÈëÊý¾ÝµÃd=8cm
¿¼µã£º±¾Ì⿼²éÀíÏëÆøÌå·½³Ì£¬²£Òâ¶û¶¨ÂÉ¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ

£¨1£©£¨6·Ö£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨   £©
A£®¾§ÌåÈÛ»¯Ê±ÎüÊÕÈÈÁ¿£¬·Ö×Óƽ¾ù¶¯ÄÜÒ»¶¨Ôö´ó   
B£®²¼ÀÊÔ˶¯µÄÎÞ¹æÔòÐÔ·´Ó³ÁËÒºÌå·Ö×ÓÔ˶¯µÄÎÞ¹æÔòÐÔ
C£®²úÉú±íÃæÕÅÁ¦µÄÔ­ÒòÊDZíÃæ²ãÄÚÒºÌå·Ö×Ó¼ä³âÁ¦´óÓÚÒýÁ¦
D£®µ±ÈËÃǸе½³±ÊªÊ±£¬¿ÕÆøµÄ¾ø¶Ôʪ¶ÈÒ»¶¨½Ï´ó
£¨2£©£¨6·Ö£©Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌå´Ó״̬A±ä»¯µ½×´Ì¬B£¬Ôٱ仯µ½×´Ì¬C£®Æä״̬±ä»¯¹ý³ÌµÄp-VͼÏóÈçͼËùʾ£®ÒÑÖª¸ÃÆøÌåÔÚ״̬AʱµÄζÈΪ27¡æ£®Çó£º

¢Ù¸ÃÆøÌåÔÚ״̬CʱµÄζÈÊǶàÉÙ?
¢Ú¸ÃÆøÌå´Ó״̬Aµ½×´Ì¬CµÄ¹ý³ÌÖÐÊÇÎüÈÈ»¹ÊÇ·ÅÈÈ?´«µÝµÄÈÈÁ¿ÊǶàÉÙ?

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºµ¥Ñ¡Ìâ

£¨5·Ö£©ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ £¨     £©

A£®ÉÊÔö¼ÓÔ­Àí˵Ã÷Ò»ÇÐ×ÔÈ»¹ý³Ì×ÜÊÇÏò×Å·Ö×ÓÈÈÔ˶¯µÄÎÞÐòÐÔ¼õÉٵķ½Ïò½øÐÐ
B£®ÔÚ¾øÈÈÌõ¼þÏÂѹËõÆøÌ壬ÆøÌåµÄÄÚÄÜÒ»¶¨Ôö¼Ó
C£®Òº¾§¼´¾ßÓÐÒºÌåµÄÁ÷¶¯ÐÔ£¬ÓÖÏñijЩ¾§ÌåÄÇÑù¾ßÓйâѧ¸÷ÏòÒìÐÔ
D£®ÓÉÓÚÒºÌå±íÃæ·Ö×Ó¼ä¾àÀë´óÓÚÒºÌåÄÚ²¿·Ö×Ó¼äµÄ¾àÀ룬ҺÃæ·Ö×Ó¼ä±íÏÖΪÒýÁ¦£¬ËùÒÔÒºÌå±íÃæ¾ßÓÐÊÕËõµÄÇ÷ÊÆ
E.ÔÚζȲ»±äµÄÇé¿öÏ£¬Ôö´óÒºÃæÉÏ·½±¥ºÍÆûµÄÌå»ý£¬´ýÆøÌåÖØдﵽ±¥ºÍʱ£¬±¥ºÍÆûµÄѹǿÔö´ó 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºµ¥Ñ¡Ìâ

Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌ壬ÓÉ״̬A£¨1£¬3£©ÑØÖ±ÏßAB±ä»¯µ½C£¨5£¬1£©£¬ÈçͼËùʾ£¬Æø
Ìå ÔÚA¡¢B¡¢CÈý¸ö״̬ÖеÄζÈÖ®±ÈÊÇ (¡¡¡¡)

A. 1£º1£º1   
B. 1£º2£º3     
C. 3£º4£º3     
D. 3£º6£º5

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºµ¥Ñ¡Ìâ

ͼΪ¼òÒײâÎÂ×°Ö㬲£Á§¹ÜÖÐһС¶ÎË®Òø·â±ÕÁËÉÕÆ¿ÄÚÒ»¶¨ÖÊÁ¿µÄÆøÌ壬µ±Î¶ÈÉý¸ßʱ

A£®Æ¿ÄÚÆøÌåµÄÃܶÈÔö´óB£®Æ¿ÄÚÆøÌå·Ö×ÓµÄƽ¾ù¶¯ÄÜÔö¼Ó
C£®Íâ½ç¶ÔÆ¿ÄÚÆøÌå×öÕý¹¦D£®ÈÈ´«µÝʹƿÄÚÆøÌåµÄÄÚÄÜÔö¼Ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºµ¥Ñ¡Ìâ

¶ÔÒ»¶¨Á¿µÄÆøÌ壬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£º£¨  ¡¡£©

A£®ÆøÌå·Ö×ÓµÄÈÈÔ˶¯Ô½¾çÁÒ£¬ÆøÌåµÄζȾÍÔ½¸ß
B£®ÆøÌåÌå»ýÊÇÖ¸ËùÓÐÆøÌå·Ö×ÓµÄÌå»ýÖ®ºÍ
C£®ÆøÌå¶ÔÆ÷±ÚµÄѹǿÊÇÓÉ´óÁ¿ÆøÌå·Ö×Ó¶ÔÆ÷±ÚƵ·±Åöײ¶ø²úÉúµÄ
D£®µ±ÆøÌåÅòÕÍʱ£¬ÆøÌåµÄ·Ö×ÓÊÆÄܼõС£¬Òò¶øÆøÌåµÄÄÚÄÜÒ»¶¨¼õÉÙ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÈçͼËùʾ£¬Ä³Í¬Ñ§ÔÚ»·¾³Î¶ÈÎȶ¨µÄʵÑéÊÒÀï×öÈÈѧСʵÑ飬ÓÃÊÖÖ¸¶ÂסעÉäÆ÷Ç°¶ËС¿×£¬ÕâʱעÉäÆ÷Äھͷâ±ÕÁËÒ»¶¨ÖÊÁ¿µÄ¿ÕÆø£¨¿É¿´³ÉÀíÏëÆøÌ壩£®Èô¸ÃͬѧÍùÀﻺÂýµØÍÆ»îÈû£¨Èçͼ¼×£©£¬ÆøÌåµÄѹǿ¡¡¡¡¡¡¡¡¡¡£¨Ñ¡Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±£©£®Èô¸Ãͬѧ»ºÂýÍƽø»îÈû¹ý³ÌÖÐ×ö¹¦ÎªW1£»È»ºó½«»îÈû»ºÂýÉÔÉÔÀ­³öһЩ£¨ÈçͼÒÒ£©£¬´Ë¹ý³ÌÖÐ×ö¹¦ÎªW2£¬ÔòÈ«¹ý³ÌÖÐ×¢ÉäÆ÷ÄÚ¿ÕÆøµÄÄÚÄÜÔö¼ÓÁ¿¡¡¡¡¡¡¡¡£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ

£¨4·Ö£©Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌå״̬±ä»¯ÈçͼËùʾ£¬ÆäÖÐAB¶ÎÓëtÖáƽÐУ®ÒÑÖªÔÚ״̬AʱÆøÌåµÄÌå»ýΪ1.0L£¬ÄÇô±äµ½×´Ì¬BʱÆøÌåµÄÌå»ýΪ¶àÉÙ?´Ó״̬A±äµ½×´Ì¬CµÄ¹ý³ÌÖÐÆøÌå¶ÔÍâ×ö¹¦Îª¶àÉÙ?

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ

£¨9·Ö£©ÈçͼËùʾ£¬É϶˿ª¿ÚµÄ¹â»¬Ô²ÖùÐÎÆû¸×ÊúÖ±·ÅÖ㬽ØÃæ»ýΪ40cm2µÄ»îÈû½«Ò»¶¨ÖÊÁ¿µÄÆøÌåºÍÒ»ÐÎ×´²»¹æÔòµÄ¹ÌÌåA·â±ÕÔÚÆû¸×ÄÚ£®ÔÚÆû¸×ÄÚ¾à¸×µ×60cm´¦ÉèÓÐa¡¢bÁ½ÏÞÖÆ×°Öã¬Ê¹»îÈûÖ»ÄÜÏòÉÏ»¬¶¯£®¿ªÊ¼Ê±»îÈû¸éÔÚa¡¢bÉÏ£¬¸×ÄÚÆøÌåµÄѹǿΪ£¨=1.0¡Á105PaΪ´óÆøѹǿ£©£¬Î¶ÈΪ300K£®ÏÖ»ºÂý¼ÓÈÈÆû¸×ÄÚÆøÌ壬µ±Î¶ÈΪ330K£¬»îÈûÇ¡ºÃÀ뿪a¡¢b£»µ±Î¶ÈΪ
360Kʱ£¬»îÈûÉÏÉýÁË4cm£®£®Çó£º

¢Ù»îÈûµÄÖÊÁ¿£»
¢ÚÎïÌåAµÄÌå»ý£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸