ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÈçͼËùʾ£¬´Öϸ¾ùÔÈ¡¢µ¼ÈÈÐÔÄÜÁ¼ºÃµÄUÐβ£Á§¹ÜÊúÖ±·ÅÖã¬ÓҲ࿪¿Ú£¬×ó²à·â±Õ£¬ÓÒ²à¹ÜÖÐÓÐÒ»ºñ¶ÈºÍÖÊÁ¿¾ù¿ÉºöÂԵĻîÈû£¬»îÈûÉÏÁ¬ÓÐÒ»¸ù×ã¹»³¤µÄÇáÖÊϸÏß¡£»îÈû¾²Ö¹µÄλÖÃÓë×ó²à¿ÕÆøÖùµÄ϶ËÆëƽ£¬×ó²àÉÏ·½µÄË®ÒøÖù¸ß¶Èh1=35cm£¬¿ÕÆøÖù¸ß¶Èl=17.5cm£¬Ï·½Ë®ÒøÖùÒºÃæ¸ß¶È²îh2=40cm£¬ÓÒ²àÄÚ¿ÕÆøÖù¸ß¶ÈÓë×ó²àÏ·½Ë®ÒøÖùÒºÃæ¸ß¶È²îÏàµÈ¡£UÐιÜÄÚ¿ÕÆøÖùζÈʼÖÕÓë»·¾³Î¶ÈÏàµÈ(¿ÉÊÓΪÀíÏëÆøÌå)£¬Íâ½ç´óÆøѹǿp0=75.0cmHg£¬»·¾³Î¶ȱ£³Ö²»±ä£¬½«»îÈûÓÃϸÏß»ºÂýÉÏÌᣬµ±»îÈûÔ˶¯µ½ÓҲಣÁ§¹Ü¹Ü¿Úʱ£¬ÓҲಣÁ§¹ÜÄÚË®ÒøÃæÉÏÉý¶àÉÙ¾àÀë?

¡¾´ð°¸¡¿

¡¾½âÎö¡¿³õʼʱ£¬ÓÒ²àÃܱÕÆøÌåѹǿp1=p0=75cmHg£¬Ìå»ýV1=Sh2£¬×ó²àÃܱÕÆøÌåѹǿp1-h2cmHg£¬ËùÒÔ×ó²àÉÏ·½Ë®ÒøÖùÓë×ó²à²£Á§¹ÜµÄ¶¥²¿Ã»ÓÐѹÁ¦£»½«»îÈû»ºÂýÉÏÌᣬµ±»îÈûÔ˶¯µ½ÓҲಣÁ§¹Ü¿Úʱ£¬Èçͼ£¬

·ÖÎö¿ÉÖª£¬×ó²à·â±ÕµÄ¿ÕÆøÖùѹǿ²»±ä£¬³¤¶ÈÒ²²»±ä£»ÉèÓҲಣÁ§¹ÜÄÚË®ÒøÃæÉÏÉýh£¬·ÖÎö¿ÉÖª´ËʱÓÒ²àÃܱÕÆøÌåµÄѹǿΪh2=(75-2h)cmHg£»Ìå»ýV2=(92.5-h)S

¸ù¾Ý²£Òâ¶ú¶¨ÂÉp1V1=p2V2

½âµÃh=17.5cm

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Èçͼ1ËùʾΪ̽¾¿Á¦¶ÔÔ­À´¾²Ö¹µÄÎïÌå×öµÄ¹¦ÓëÎïÌå»ñµÃµÄËٶȹØϵµÄʵÑé×°Ö㬴òµã¼ÆʱÆ÷ʹÓõĵçԴƵÂÊΪ50Hz¡£ÊµÑéÖ÷Òª¹ý³ÌÈçÏÂ

¢ÙÉè·¨ÈÃÏðƤ½î¶ÔС³µ×öµÄ¹¦·Ö±ðΪW¡¢2W¡¢3W£¬¡­¡­

¢Ú·ÖÎö´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬Çó³öС³µµÄËÙ¶Èv1¡¢v2¡¢v3£¬¡­¡­

¢Û×÷³öW-v²Ýͼ

¢Ü·ÖÎöW-vͼÏó£¬Èç¹ûW-vͼÏóÊÇÒ»ÌõÖ±Ïߣ¬±íÃ÷W¡Øv£»Èç¹û²»ÊÇÖ±Ïߣ¬¿É¿¼ÂÇÊÇ·ñ´æÔÚW¡Øv2¡¢W¡Øv3¡¢W¡ØµÈ¹Øϵ

(1)ʵÑéÖÐľ°åÂÔ΢Çãб£¬ÕâÑù×ö____________

A.ÊÇΪÁËʹÊÍ·ÅС¡¢³µºó£¬Ð¡³µÄÜÔȼÓËÙÏ»¬

B.ÊÇΪÁËÔö´óС³µÏ»¬µÄ¼ÓËÙ¶È

C.¿ÉʹµÃÏðƤ½î×öµÄ¹¦µÈÓÚºÏÁ¦¶ÔС³µ×öµÄ¹¦

D.¿ÉʹµÃÏðƤ½îËɳںóС³µ×öÔÈËÙÔ˶¯

(2)ʵÑéÖÐÏȺóÓÃͬÑùµÄÏðƤ½î1Ìõ¡¢2Ìõ¡¢3Ìõ¡­¡­ºÏ²¢ÆðÀ´¹ÒÔÚС³µµÄÇ°¶Ë½øÐжà´ÎʵÑ飬ÿ´Î¶¼Òª°ÑС³µÀ­µ½Í¬Ò»Î»ÖÃÔÙÊÍ·Å¡£°ÑµÚ1´ÎÖ»¹Ò1ÌõÏðƤ½îʱÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪW1£¬µÚ¶þ´Î¹Ò2ÌõÏðƤ½îʱÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪ2W1¡­¡­ÏðƤ½î¶ÔС³µ×ö¹¦¶øʹС³µ»ñµÃµÄËٶȿɸù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´øËã³ö¡£¸ù¾ÝµÚËĴεÄÖ½´ø(Èçͼ2Ëùʾ)ÇóµÃС³µ»ñµÃµÄËÙ¶ÈΪ__________m/s¡£(±£Áô3λÓÐЧÊý×Ö)

(3)ͨ¹ýʵÑé»ñµÃ½Ï¿ÆѧµÄÊý¾Ý×÷³öµÄW-v2ͼÏó£¬Ó¦ÎªÍ¼ÖеÄ___________

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

¾«Ó¢¼Ò½ÌÍø