·ÖÎö ¢Ù´Ë¹ý³ÌΪµÈѹ¹ý³Ì£¬·Ö±ðÇó³ö³õĩ״̬µÄÌå»ý£¬ÔÙ¸ù¾Ý$\frac{{V}_{0}^{\;}}{{T}_{0}^{\;}}=\frac{{V}_{1}^{\;}}{{T}_{1}^{\;}}$ÁÐʽÇó½â¼´¿É£»
¢Ú´ÓB»îÈûµ½´ïµ×²¿£¬µ½A»îÈû¿ªÊ¼Ô˶¯£¬ÆøÌå·¢ÉúµÈÈݱ仯£¬¸ù¾ÝƽºâÌõ¼þÇó³ö³õĩλÖõÄѹǿ£¬´øÈë$\frac{{p}_{1}^{\;}}{{T}_{1}^{\;}}=\frac{{p}_{2}^{\;}}{{T}_{2}^{\;}}$Çó½âζȼ´¿É£®
½â´ð ½â£º¢Ù´Ë¹ý³ÌΪµÈѹ¹ý³Ì£¬ÓɸÇ-ÂÀÈø¿Ë¶¨Âɵãº
$\frac{{V}_{0}^{\;}}{{T}_{0}^{\;}}=\frac{{V}_{1}^{\;}}{{T}_{1}^{\;}}$¡¢Ù
${V}_{0}^{\;}={S}_{A}^{\;}h+{S}_{B}^{\;}h$=1.5h¡¢Ú
${V}_{1}^{\;}$=${S}_{A}^{\;}h+2{S}_{B}^{\;}h$=2h¡¢Û
ÁªÁ¢¢Ù¢Ú¢ÛµÃ£º$\frac{1.5h}{300}=\frac{2h}{{T}_{1}^{\;}}$
½âµÃ£º${T}_{1}^{\;}=400K$
¢ÚÆøÌå×öµÈÈݱ仯£¬ÓɲéÀí¶¨Âɵãº
$\frac{{p}_{1}^{\;}}{{T}_{1}^{\;}}=\frac{{p}_{2}^{\;}}{{T}_{2}^{\;}}$
×î³õ£¬¶ÔB»îÈûÓУº${p}_{1}^{\;}{S}_{B}^{\;}={p}_{0}^{\;}{S}_{B}^{\;}+{m}_{B}^{\;}g$
½âµÃ£º${p}_{1}^{\;}=2.4¡Á1{0}_{\;}^{5}{p}_{a}^{\;}$
»îÈûÒª¶¯Ê±£¬¶ÔA»îÈûÓУº${p}_{2}^{\;}{S}_{A}^{\;}$=${p}_{0}^{\;}{S}_{A}^{\;}+{m}_{A}^{\;}g+f$£¬
½âµÃ£º${p}_{2}^{\;}=2.7¡Á1{0}_{\;}^{5}{p}_{a}^{\;}$
ËùÒÔÓУº$\frac{2.4¡Á1{0}_{\;}^{5}}{400}=\frac{2.7¡Á1{0}_{\;}^{5}}{{T}_{2}^{\;}}$
½âµÃ£º${T}_{2}^{\;}=450K$
´ð£º¢Ùµ±Æø¸×BÖеĻîÈû¸ÕºÃ±»»îÈûÏú¿¨×¡Ê±£¬ÆøÌåµÄζÈΪ400K£»
¢Úµ±Æø¸×AÖеĻîÈû¸ÕÒª»¬¶¯Ê±£¬ÆøÌåµÄζÈ${T}_{2}^{\;}$Ϊ450K
µãÆÀ ±¾Ìâ¹Ø¼üÃ÷È··â±ÕÆøÌåµÄ³õĩ״̬£¬È»ºó½áºÏÆøÌåʵÑ鶨ÂÉÁÐʽÇó½â£»Í¬Ê±Òª¶Ô»îÈûÊÜÁ¦·ÖÎö²¢½áºÏƽºâÌõ¼þÇó½âѹǿ£®
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ͨ¹ý¿É±äµç×èRµÄ½»±äµçÁ÷ƵÂÊΪ100Hz | |
B£® | µçѹ±íµÄʾÊýΪ155V | |
C£® | µ±»¬¶¯±ä×èÆ÷RµÄ»¬Æ¬ÍùÉÏ»¬Ê±£¬µçѹ±íµÄʾÊýÔö´ó | |
D£® | µ±»¬¶¯±ä×èÆ÷R½ÓÈëµç·µÄ×èֵΪ110¦¸Ê±£¬µçÁ÷±íµÄʾÊýΪ0.5A |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ¡°µçÁ÷µÄÖÜΧ´æÔڴų¡¡±×îÔçÊÇÓÉ°²Åà·¢ÏÖµÄ | |
B£® | ·¨ÀµÚͨ¹ýʵÑé֤ʵµç³¡ÏßÊǿ͹۴æÔÚµÄ | |
C£® | µçºÉÁ¿eµÄÊýÖµ×îÔçÊÇÓÉ·¨¹úѧÕß¿âÂØÓÃʵÑé²âµÃµÄ | |
D£® | °Â˹ÌØͨ¹ýʵÑé¹Û²ìµ½µçÁ÷µÄ´ÅЧӦ£¬½ÒʾÁ˵çºÍ´ÅÖ®¼ä´æÔÚÁªÏµ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | 2N | B£® | 3N | C£® | 10N | D£® | 14N |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ
A£® | ÖÊÁ¿²»±ä£¬ËÙ¶ÈÔö´óµ½ÔÀ´2±¶ | B£® | ËٶȲ»±ä£¬ÖÊÁ¿Ôö´óµ½ÔÀ´µÄ2±¶ | ||
C£® | ÖÊÁ¿¼õ°ë£¬ËÙ¶ÈÔö´óµ½ÔÀ´µÄ4±¶ | D£® | Ëٶȼõ°ë£¬ÖÊÁ¿Ôö´óµ½ÔÀ´µÄ8±¶ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ
A£® | B¶ÔAµÄĦ²ÁÁ¦Ò»¶¨Îª3¦Ìmg | |
B£® | CÓëת̨¼äµÄĦ²ÁÁ¦²»´óÓÚAÓëB¼äµÄĦ²ÁÁ¦ | |
C£® | ҪʹÎïÌåÓëת̨²»·¢ÉúÏà¶Ô»¬¶¯£¬×ªÌ¨µÄ½ÇËÙ¶ÈÒ»¶¨Âú×㣺¦Ø¡Ü$\sqrt{\frac{2¦Ìg}{3r}}$ | |
D£® | ҪʹÎïÌåÓëת̨²»·¢ÉúÏà¶Ô»¬¶¯£¬×ªÌ¨µÄ½ÇËÙ¶ÈÒ»¶¨Âú×㣺¦Ø¡Ü$\sqrt{\frac{¦Ìg}{3r}}$ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ
A£® | ÔÚÒ»¶¨Ìõ¼þÏ£¬ÎïÌåµÄζȿÉÒÔ½µµ½0K | |
B£® | ÎïÌå´Óµ¥Ò»ÈÈÔ´ÎüÊÕµÄÈÈÁ¿¿ÉÒÔÈ«²¿ÓÃÓÚ×ö¹¦ | |
C£® | ÎüÊÕÁËÈÈÁ¿µÄÎïÌ壬ÆäÄÚÄÜÒ»¶¨Ôö¼Ó | |
D£® | ѹËõÆøÌå×ÜÄÜʹÆøÌåµÄζÈÉý¸ß | |
E£® | Ò»ÇÐ×Ô·¢¹ý³Ì×ÜÊÇÑØ×Å·Ö×ÓÈÈÔ˶¯µÄÎÞÐòÐÔÔö´óµÄ·½Ïò½øÐÐ |
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com