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£®
£¨1£©ÊµÑéµç·Èçͼ£¬ÓйØʵÑé²Ù×÷¼°²âÁ¿ÈçÏ£º
¢ÙÖ»±ÕºÏS£¬µ±µ÷½ÚR1µ½26090.0¦¸Ê±£¬µçÁ÷±íAÂúÆ«£»
¢ÚÔÙ±ÕºÏS1£¬R2µ÷Ϊ3770.0¦¸Ê±£¬µçÁ÷±íA°ëÆ«£¬Óɴ˿ɵõçÁ÷±íµÄÄÚ×èRgµÄ²âÁ¿ÖµÎª
3770
3770
¦¸£®
£¨2£©°ëÆ«·¨²âÁ¿µçÁ÷±íÄÚ×èʱ£¬ÒªÇóR1£¾£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
ƫС
ƫС
£¨Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©£¬µ¼ÖÂÕâʱµÄ×ܵçÁ÷
±ä´ó
±ä´ó
£¨Ñ¡Ìî¡°±ä´ó¡±»ò¡°±äС¡±£©£¬°ëƫʱR2
СÓÚ
СÓÚ
Rg£¨Ìî¡°´óÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©£®
£¨3£©Îª¼õСRgµÄ²âÁ¿Îó²î£¬¿ÉÒÔͨ¹ý²¹³¥»Ø·×ܵç×èµÄ·½·¨£¬¼´°Ñ°ëƫʱ»Ø·µÄ×ܵç×èµÄ±ä»¯²¹»ØÀ´£®¾ßÌåµÄÊýÖµ¿ÉÒÔͨ¹ý¹ÀËãµÃ³ö£¬Êµ¼Ê²Ù×÷ÈçÏ£ºÔÚ£¨1£©Öдֲâ³öRgºó£¬ÔÙ°ÑR1ÏÈÔö¼Óµ½
27975
27975
¦¸[Óõڣ¨1£©ÎÊÖеÄÓйØÌõ¼þÇóµÃ¾ßÌåÊýÖµ]£¬ÔÙµ÷½ÚR2ʹµçÁ÷±í
°ëÆ«
°ëÆ«
£®ÓÃÕâʱR2µÄÖµ±íʾRgµÄ²âÁ¿Öµ£¬Èç´Ë¶à´Î²¹³¥¼´¿ÉʹÎó²î¾¡Á¿µÃÒÔ¼õС£®
·ÖÎö£º£¨1£©°ëÆ«·¨²âµç×èÈÏΪµçÁ÷±íÓëµç×è²¢Áªºó×ܵçѹ²»±ä£¬ÔòµçÁ÷±íµÄÄÚ×è=Ëù²¢Áªµç×èÖµ£®
£¨2£©²¢Áªµç×èºó£¬Óɲ¢Áªµç·ÌصãÖª×ܵç×è±äС£¬Ôò×ܵçÁ÷±ä´ó£¬¶øµçµçÁ÷±íµÄµçÁ÷ΪԭÀ´µÄ¶þ·ÖÖ®Ò»£¬¹Êͨ¹ý²¢Áªµç×èµÄµçÁ÷´óÓÚµçÁ÷±íµÄµçÁ÷£¬¹ÊÆä×èֵСÓÚµçÁ÷±íµÄµç×裮
£¨3£©µ±²¢ÁªÍ¬×èÖµµÄµç×èºó£¬²¢Áª²¿·Ý×èÖµ±äΪԭÀ´µÄÒ»°ë£¬Ôò´®ÁªµÄµç×è×èÖµÒªÔö¼ÓËù²â³öµç×èµÄÒ»°ë£®
½â´ð£º½â£º£¨1£©°ëÆ«·¨²âµç×裺µçÁ÷±íµÄÄÚ×è=Ëù²¢Áªµç×èÖµ
     ÔòµçÁ÷±íµÄÄÚ×èΪ3770¦¸
     £¨2£©²¢Áªµç×èºó×ܵçÁ÷±ä´ó£¬¹Êͨ¹ý²¢Áªµç×èµÄµçÁ÷´óÓÚµçÁ÷±íµÄµçÁ÷£¬ÔòÆäµç×èСÓÚ
      µçÁ÷±íµÄÄÚ×裬¼´R2СÓÚRg
     £¨3£©²¢ÁªµÈÖµµç×èºó£¬²¢Áª²¿·Öµç×è¼õÉÙÁËÔ­À´µÄÒ»°ë£¬Ôò´®×貿·ÖÒªÔö¼ÓͬµÈ×èÖµ£®
      Ôö¼ÓºóΪ26090+
3770
2
=27975¦¸
     ²¹³¥ºóÔÙ´ÎÓðëÆ«·¨²âÁ¿£®
¹Ê´ð°¸Îª£»£¨1£©3770  £¨2£©Æ«Ð¡  ±ä´ó  СÓÚ  £¨3£©27975 °ëÆ«
µãÆÀ£º¿¼²é°ëÆ«·¨µÄÔ­Àí£¬ÓÉ´®²¢Áªµç·Ìصã·ÖÎöʵÑéÎó²î¼°²¹³¥·½·¨£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿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´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©Ä³Í¬Ñ§ÔÚ×ö¡°ÀûÓõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑéÖУº
¾«Ó¢¼Ò½ÌÍø
¢ÙÈç¹ûËû²âµÃµÄÖØÁ¦¼ÓËÙ¶ÈֵƫС£¬¿ÉÄܵÄÔ­ÒòÊÇ
 

A£®²â°ÚÏß³¤Ê±°ÚÏßÀ­µÃ¹ý½ô
B£®°ÚÏßµÄÉ϶ËδÀι̵ØϵÓÚÐüµã£¬Á¿ºÃ°Ú³¤ºó°Ú¶¯ÖгöÏÖËɶ¯
C£®ÊµÑéÖÐÎó½«29´ÎÈ«Õñ¶¯Êý³É30´ÎÈ«Õñ¶¯ÁË
D£®ÊµÑéÖÐÎó½«31´ÎÈ«Õñ¶¯Êý³É30´ÎÈ«Õñ¶¯ÁË
¢ÚΪÁËÌá¸ßʵÑ龫¶È£¬ÔÚÊÔÑéÖпɸı伸´Î°Ú³¤L£¬²â³öÏàÓ¦µÄÖÜÆÚT£¬´Ó¶øµÃ³öÒ»×é¶ÔÓ¦µÄLÓëTµÄÊýÖµ£¬ÔÙÒÔLΪºá×ø±ê£¬T2Ϊ×Ý×ø±ê£¬½«ËùµÃÊý¾ÝÁ¬³ÉÖ±ÏßÈçͼ1Ëùʾ£¬Ôò²âµÃµÄÖØÁ¦¼ÓËÙ¶Èg=
 
m/s2£®£¨±£Áô3λÓÐЧÊý×Ö£©
£¨2£©ÓðëÆ«·¨²âµçÁ÷±íÄÚ×裬ÌṩµÄÆ÷²ÄÈçÏ£º¸Éµç³Ø£¨µç¶¯ÊÆEԼΪ1.5V£¬ÄÚ×èrԼΪ10¦¸£©¡¢´ý²âµçÁ÷±íA£¨0¡«500¦ÌA£¬ÄÚ×èÔ¼400¦¸£©¡¢µç×èÏäR1¡¢R2£¨¾ùΪ0¡«9999.9¦¸£©¡¢µç¼ü¡¢µ¼ÏßÈô¸É£®
¢ÙʵÑéµç·Èçͼ2£¬ÓйØʵÑé²Ù×÷¼°²âÁ¿ÈçÏ£º
I£®Ö»±ÕºÏS£¬µ±µ÷½ÚR1µ½2610.0¦¸Ê±£¬µçÁ÷±íAÂúÆ«£»
¢ò£®ÔÙ±ÕºÏS1£¬R2µ÷Ϊ377.0¦¸Ê±£¬µçÁ÷±íA°ëÆ«£¬Óɴ˿ɵôý²âµçÁ÷±íµÄÄÚ×èRgµÄ²âÁ¿ÖµÎª
 
¦¸£®
¢Ú°ëÆ«·¨²âÁ¿µçÁ÷±íÄÚ×èʱ£¬ÒªÇóR1??Rg£¨±ÈÖµR1/RgÔ½´ó£®²âÁ¿Îó²îԽС£©£¬±¾ÊµÑéÖÐR1Ëä±ÈRg´ó£¬µ«Á½ÕßÖ®±È²»ÊÇÌرð´ó£¬Òò´Ëµ¼ÖÂRgµÄ²âÁ¿ÓÐÎó²î£®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´£º ÌâÐÍ£º

Èçͼ£¨¼×£©±íʾijµç×èRËæÉãÊÏζÈt±ä»¯µÄ¹Øϵ£¬Í¼ÖÐR0±íʾ0¡æʱµÄµç×裬K±íʾͼÏßµÄбÂÊ£®ÈôÓøõç×èÓëµç³Ø£¨E£¬r£©¡¢µçÁ÷±íRg¡¢±ä×èÆ÷R¡ä´®Á¬ÆðÀ´£¬Á¬½Ó³ÉÈçͼ£¨ÒÒ£©ËùʾµÄµç·£¬Óøõç×è×ö²âÎÂ̽ͷ£¬°ÑµçÁ÷±íµÄµçÁ÷¿Ì¶È¸ÄΪÏàÓ¦µÄζȿ̶ȣ¬ÓÚÊǾ͵õ½ÁËÒ»¸ö¼òµ¥µÄ¡°µç×è²âμơ±£®
¢Ùʵ¼ÊʹÓÃʱҪ°ÑµçÁ÷±íµÄ¿Ì¶ÈÖµ¸ÄΪÏàÓ¦µÄζȿ̶ÈÖµ£¬ÈôζÈt1£¼t2£¬Ôòt1µÄ¿Ì¶ÈÓ¦ÔÚt2µÄ
 
²à£¨Ìî¡°×󡱡¢¡°ÓÒ¡±£©£»
¢ÚÔÚ±êʶ¡°µç×è²âμơ±µÄζȿ̶Èʱ£¬ÐèҪŪÇåËù²âζȺ͵çÁ÷µÄ¶ÔÓ¦¹Øϵ£®ÇëÓÃE¡¢R0¡¢KµÈÎïÀíÁ¿±íʾËù²âζÈtÓëµçÁ÷IµÄ¹Øϵʽ£ºt=
 
£»
¢ÛÓÉ¢ÚÖª£¬¼ÆËãζȺ͵çÁ÷µÄ¶ÔÓ¦¹Øϵ£¬ÐèÒª²âÁ¿µçÁ÷±íµÄÄÚ×裨ԼΪ200¦¸£©£®ÒÑ֪ʵÑéÊÒÓÐÏÂÁÐÆ÷²Ä£ºA£®µç×èÏ䣨0¡«99.99¦¸£©£»B£®µç×èÏ䣨0¡«999.9¦¸£©£»C£®»¬Ïß±ä×èÆ÷£¨0¡«20¦¸£©£»D£®»¬Ïß±ä×èÆ÷£¨0¡«20k¦¸£©£®´ËÍ⣬»¹Óе綯ÊƺÏÊʵĵçÔ´¡¢¿ª¹Ø¡¢µ¼Ïߵȣ®
ÇëÔÚ·½¿òÄÚÉè¼ÆÒ»¸öÓá°°ëÆ«·¨¡±²âµçÁ÷±íÄÚ×èRgµÄµç·£»
ÔÚÕâ¸öʵÑéµç·ÖУ¬µç×èÏäӦѡ
 
£»»¬Ïß±ä×èÆ÷Ӧѡ
 
£®£¨Ö»Ìî´úÂ룩
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2010?ÑÓÇìÏØһģ£©ÊµÑéÌ⣺
£¨1£©Ò»¸öÁ¿³ÌÊÇ0.06AµÄµçÁ÷±í£¬ÄÚ×èÔ¼10¦¸£¬ÏÖÓеçÔ´Aµç¶¯ÊÆ24v£¬µçÔ´Bµç¶¯ÊÆ12v£¬»¬¶¯±ä×èÆ÷C×èÖµ500¦¸£¬»¬¶¯±ä×èÆ÷D×èÖµ6¦¸£¬µç×èÏäÒ»¸ö£¬¿ª¹Ø2¸ö£¬µ¼ÏßÈô¸É£®ÒªÓðëÆ«·¨²âµçÁ÷±íÄÚ×裬ÇëÑ¡ÔñºÏÊʵĵçÔ´ºÍ»¬¶¯±ä×èÆ÷£¬½«×ÖĸÌîÔÚÏÂÃæµÄºáÏßÉÏ£¬²¢ÔÚ·½¿òÖл­³öʵÑéµç·ͼ£¬Ñ¡ÓõĵçÔ´
A
A
£»Ñ¡ÓõĻ¬¶¯±ä×èÆ÷
C
C

£¨2£©Ò»Î»Í¬Ñ§ÓÃÈçͼ2ËùʾµÄµç·²âµçÔ´µç¶¯ÊƺÍÄÚ×裬ÆäÖÐRÊǵç×èÏ䣬²â³ö¶à×éÊý¾ÝÖ®ºó×÷³ö1/U-1/RͼÏó£¬Èçͼ3
ÓÉͼÏóÖª£º±»²âµçÔ´µÄµç¶¯ÊÆÊÇ
6
6
£¬ÄÚ×èÊÇ
1
1
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸