(1) .ijͬѧÔڲⶨÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶Èʱ£¬µÃµ½Á˼¸Ìõ½ÏΪÀíÏëµÄÖ½´ø£¬ÒÑÖªÔÚÿÌõÖ½´øÿ5¸ö¼ÆʱµãÈ¡ºÃÒ»¸ö¼ÆÊýµã£¬Á½¸ö¼ÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪ0.1s£¬ÒÀ´òµãʱ¼ä˳Ðò±àºÅΪ0¡¢1¡¢2¡¢3¡¢4¡¢5£¬ÓÉÓÚ²»Ð¡ÐÄ£¬Ö½´ø±»Ëº¶ÏÁË£¬ÈçÏÂͼËùʾ.Çë¸ù¾Ý¸ø³öµÄA¡¢B¡¢C¡¢DËĶÎÖ½´ø»Ø´ð£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©:

¢ÙÔÚB¡¢C¡¢DÈý¶ÎÖ½´øÖÐÑ¡³ö´ÓÖ½´øAÉÏ˺ϵÄÄǶÎÓ¦ÊÇ______.
¢Ú´òAÖ½´øʱ£¬ÎïÌåµÄ¼ÓËٶȴóСÊÇ___________.
¢Ûµã1µÄËٶȴóСÊÇ_____________.
(2).¹ØÓÚ´òµã¼ÆʱÆ÷µÄʹÓã¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ(       ).
(A)´òµã¼ÆʱÆ÷Ó¦ÓõÍѹ½»Á÷µçÔ´£¬½»Á÷µçƵÂÊΪ50Hz
(B)Ö½´ø´©¹ýÏÞλ¿×£¬²¢±ØÐë°ÑÖ½´øѹÔÚ¸´Ð´Ö½µÄÉÏÃæ
(C)ÒªÏÈͨµç£¬ºóÊÍ·ÅÖ½´ø£¬Ö½´øͨ¹ýºóÁ¢¼´ÇжϵçÔ´
(D)Ϊ¼õСĦ²Á£¬Ã¿´Î²âÁ¿Ó¦ÏȽ«Ö½´øÀí˳
(3) .Ò»¸öʵÑéС×éÔÚ¡°Ì½¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ¡±µÄʵÑéÖУ¬Ê¹ÓÃÁ½Ìõ²»Í¬µÄÇáÖʵ¯»ÉaºÍb£¬µÃµ½µ¯Á¦Ó뵯»É³¤¶ÈµÄͼÏóÈçͼËùʾ¡£ÏÂÁбíÊöÕýÈ·µÄÊÇ£¨   £©

A£®aµÄÔ­³¤±ÈbµÄ³¤
B£®aµÄ¾¢¶ÈϵÊý±ÈbµÄ´ó
C£®aµÄ¾¢¶ÈϵÊý±ÈbµÄС
D£®²âµÃµÄµ¯Á¦Ó뵯»ÉµÄ³¤¶È³ÉÕý±È
(4).ijͬѧ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéʱ£¬Ö÷Òª²½ÖèÊÇ£º
A£®ÔÚ×ÀÉÏ·ÅÒ»¿é·½Ä¾°å£¬ÔÚ·½Ä¾°åÉÏÆÌÒ»ÕÅ°×Ö½£¬ÓÃͼ¶¤°Ñ°×Ö½¶¤ÔÚ·½Ä¾°åÉÏ
B£®ÓÃͼ¶¤°ÑÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚ°åÉϵÄAµã£¬ÔÚÏðƤÌõµÄÁíÒ»¶ËË©ÉÏÁ½ÌõϸÉþ£¬Ï¸ÉþµÄÁíÒ»¶Ëϵ×ÅÉþÌ×
C£®ÓÃÁ½¸öµ¯»É³Ó·Ö±ð¹³×¡ÉþÌ×£¬»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤£¬½áµãµ½´ïijһλÖÃO£®¼Ç¼ÏÂOµãµÄλÖ㬶Á³öÁ½¸öµ¯»É³ÓµÄʾÊý
D£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½Ö»µ¯»É³ÓµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢ÓÃƽÐÐËıßÐζ¨ÔòÇó³öºÏÁ¦F
E£®Ö»ÓÃÒ»Ö»µ¯»É³Ó£¬Í¨¹ýϸÉþÌ×À­ÏðƤÌõʹÆäÉ쳤£¬¶Á³öµ¯»É³ÓµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦µÄͼʾ
F£®±È½ÏÁ¦ºÍFµÄ´óСºÍ·½Ïò£¬¿´ËüÃÇÊÇ·ñÏàͬ£¬µÃ³ö½áÂÛ¡£
ÉÏÊö²½ÖèÖУº¢ÙÓÐÖØÒªÒÅ©µÄ²½ÖèµÄÐòºÅÊÇ                ºÍ             £»
¢ÚÒÅ©µÄÄÚÈÝ·Ö±ðÊÇ                        ºÍ                   £®

(1) ¢ÙC ¢Ú ¢Û3.3m£¯s £¨2£©CD   (3)B
(4)¢Ù C  E£»¢ÚCÖÐδ¼ÇÏÂÁ½ÌõÉþ×ӵķ½Ïò£¬EÖÐδ˵Ã÷ÊÇ·ñ°ÑÏðƤÌõµÄ½áµãÀ­µ½ÁËλÖÃO¡£

½âÎöÊÔÌâ·ÖÎö£º(1)¢Ù¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯µÄÌصãÓУ»£¬Ôò£¬ÓÉ´Ë¿ÉÖªC¶ÎÓë´Ë×î½Ó½ü£¬ËùÒÔÊôÓÚÖ½´øAµÄÊÇCͼ
¢ÚÔȱäËÙÖ±ÏßÔ˶¯ÖÐÁ¬ÐøÏàµÈʱ¼äÄÚµÄλÒƲîΪ³£Êý¼´£¬ÓÉÌâÖªÆäÖÐT=0.1s£¬¡÷x=6.6cm£¬ËùÒÔ´øÈËÊý¾Ý½âµÃ
¢Û¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯ÖÐʱ¼äÖеãµÄËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËٶȣ¬´òµã¼ÆÊýµã¡°1¡±Ê±ÎïÌåµÄËٶȴóСΪ
(2)A¡¢µç´Å´òµã¼ÆʱÆ÷ʹÓõÍѹ½»Á÷µçÔ´£¬µç»ð»¨´òµã¼ÆʱÆ÷ʹÓÃ220V½»Á÷µçÔ´£»´íÎó
B¡¢Ö½´ø´©¹ýÏÞλ¿×£¬²¢±ØÐë°ÑÖ½´øѹÔÚ¸´Ð´Ö½µÄÏÂÃ棻´íÎó
C¡¢ÊµÑéʱҪÏÈͨµç£¬ºóÊÍ·ÅÖ½´ø£¬Ö½´øͨ¹ýºóÁ¢¼´ÇжϵçÔ´£»ÕýÈ·
D¡¢Îª¼õСĦ²Á£¬Ã¿´Î²âÁ¿Ó¦ÏȽ«Ö½´øÀí˳£»ÕýÈ·
¹ÊÑ¡CD
(3) A¡¢¸ù¾Ýºú¿Ë¶¨Âɵ㺣¬ÆäÖÐΪµ¯»ÉµÄÔ­³¤£¬ÓÉ´Ë¿ÉÖªÔÚF-LͼÏóÉϺáÖá½Ø¾à±íʾµ¯»ÉµÄÔ­³¤£¬ÓÉͼ¿ÉµÃ£¬bµÄÔ­³¤´óÓÚaµÄÔ­³¤£»´íÎó
BC¡¢Í¼ÏóбÂʱíʾ¾¢¶ÈϵÊýµÄ´óС£¬ÓÉͼ¿ÉµÃ£¬aµÄ¾¢¶ÈϵÊý½Ï´ó£»BÕýÈ·
D¡¢¸ù¾Ýºú¿Ë¶¨Âɵõ¯»ÉµÄµ¯Á¦Ó뵯»ÉÐαäÁ¿µÄ³ÉÕý±È£¬¸ù¾ÝͼÏóµÃµ¯»ÉµÄµ¯Á¦Ó뵯»ÉµÄ³¤¶È²»³ÉÕý±È£¬ÊÇÏßÐÔ¹Øϵ£»´íÎó
¹ÊÑ¡B
(4) ±¾ÊµÑéΪÁËÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò£¬²ÉÓõķ½·¨ÊÇ×÷Á¦µÄͼʾ·¨£¬×÷³öºÏÁ¦ºÍÀíÂÛÖµºÍʵ¼ÊÖµ£¬È»ºó½øÐбȽϣ¬µÃ³ö½á¹û£®ËùÒÔ£¬ÊµÑéʱ£¬³ý¼Ç¼µ¯»É³ÓµÄʾÊýÍ⣬»¹Òª¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£¬ÒÔ±ãÈ·¶¨Á½¸öÀ­Á¦µÄ·½Ïò£¬ÕâÑù²ÅÄÜ×÷³öÀ­Á¦µÄͼʾ£®²½ÖèCÖÐδ¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£»²½ÖèEÖÐδ˵Ã÷°ÑÏðƤÌõµÄ½áµãÀ­µ½Î»ÖÃO
¹Ê´ð°¸ÊÇ£º¢ÙC E£¬¢ÚCÖÐδ¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£»EÖÐδ˵Ã÷ÊÇ·ñ°ÑÏðƤÌõµÄ½áµãÀ­µ½ÁËλÖÃO¡£
¿¼µã£º²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȡ¢´òµã¼ÆʱÆ÷¡¢Ì½¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ¡¢ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò
µãÆÀ£º¶ÔÓÚÖ½´øµÄÎÊÌ⣬ÎÒÃÇÒªÊìϤÔȱäËÙÖ±ÏßÔ˶¯µÄÌصãºÍһЩ¹æÂÉ£¬Ìá¸ßÓ¦ÓùæÂɽâÌâÄÜÁ¦£»Á˽âµç´Å´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹºÍʵÑéµÄ¹¤×÷²½Ö裬Äܹ»ÊìÁ·Ê¹Óôòµã¼ÆʱÆ÷Êǽâ¾ö´ËÀàÎÊÌâµÄ¹Ø¼ü£»ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¹Ø¼üÀí½âʵÑéÔ­Àí£¬¸ù¾ÝʵÑéÔ­Àí·ÖÎöʵÑé²½ÖèÖÐÓÐÎÞÒÅ©»òȱÏÝ£¬Òò´ËÕÆÎÕʵÑéÔ­ÀíÊǽâ¾öʵÑéÎÊÌâµÄ¹Ø¼ü¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º


£¨1£©Ä³Í¬Ñ§ÔÚÓÃÂÝÐý²â΢Æ÷²â¶¨Ä³±¡Æ¬µÄºñ¶Èʱ£¬¶ÁÊýÈçͼËùʾ£®¿ÉÖª¸Ã±¡Æ¬µÄºñ¶Èd=
0.900
0.900
mm£®
£¨2£©Ä³Í¬Ñ§Óÿ¨³ßÀ´²âÁ¿¹¤¼þµÄÖ±¾¶£¬¶ÁÊýÈçͼËùʾ£®¸Ã¹¤¼þµÄÖ±¾¶Îªd=
29.8
29.8
 mm£®
£¨3£©Ä³Í¬Ñ§ÓöàÓõç±í°´ÕýÈ·²½Öè²âÁ¿Ò»µç×è×èÖµ£¬Èçͼ£¬ÔòÕâµç×èÖµÊÇ
1200
1200
¦¸£®Èç¹ûÒªÓô˶àÓõç±í²âÁ¿Ò»¸öÔ¼20¦¸µÄµç×裬ΪÁËʹ²âÁ¿±È½Ï¾«È·£¬Ñ¡Ôñ¿ª¹ØӦѡµÄÅ·Ä·µ²ÊÇ
¡Á1
¡Á1
_£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Ä³Í¬Ñ§ÔÚ×ö¶àÓõç±í²âµç×èµÄʵÑéÖУº²âÁ¿Ä³µç×èʱ£¬Óá°¡Á10¦¸¡±µµÊ±·¢ÏÖÖ¸Õëƫת½Ç¶È¹ý´ó£¬ËûÓ¦¸Ã»»ÓÃ
¡Á1¦¸
¡Á1¦¸
µµ£¨Ìî¡°¡Á1¦¸¡±»ò¡°¡Á100¦¸¡±£©£®
£¨2£©°ÑÁ¿³ÌΪ3mAµÄµçÁ÷±í¸Ä×°³ÉÅ·Ä·±í£¬Æä½á¹¹ÈçͼËùʾ£¬ÆäÖеçÔ´µç¶¯ÊÆE=3V£®¸Ä×°ºó£¬½«Ô­À´µçÁ÷±í3mAµÄ¿Ì¶È¶¨Îªµç×èµÄ¡°0¡±¿Ì¶È£¬Å·Ä·±íµÄÖÐÖµµç×èΪ
1000
1000
¦¸£¬2mA¿Ì¶È´¦±ê
500
500
¦¸£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijͬѧÔÚ¡°²âÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȡ±µÄʵÑéÖУ¬Óôòµã¼ÆʱÆ÷£¨ÆµÂÊΪ50Hz£¬¼´Ã¿0.02s´òÒ»¸öµã£©¼Ç¼Á˱»Ð¡³µÍ϶¯µÄÖ½´øµÄÔ˶¯Çé¿ö£¬ÔÚÖ½´øÉÏÈ·¶¨³öA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¹²7¸ö¼ÆÊýµã£®ÆäÏàÁÚµã¼ä»¹ÓÐ4¸öµãδ»­³ö£®ÆäÖÐS1=7.05cm¡¢S2=7.67cm¡¢S3=8.29cm¡¢S4=8.91cm¡¢S5=9.53cm¡¢S6=10.15cm£¬

£¨1£©¹ØÓÚ½ÓͨµçÔ´ºÍÊÍ·ÅÖ½´øµÄ´ÎÐò£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A
A

A£®ÏȽÓͨµçÔ´£¬ºóÊÍ·ÅÖ½´ø          B£®ÏÈÊÍ·ÅÖ½´ø£¬ºó½ÓͨµçÔ´
C£®ÊÍ·ÅÖ½´øͬʱ½ÓͨµçÔ´            D£®ÏȽÓͨµçÔ´»òÏÈÊÍ·ÅÖ½´ø¶¼¿ÉÒÔ
£¨2£©¸÷ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôT=
0.1
0.1
 s
£¨3£©Ð¡³µÔ˶¯µÄ¼ÓËÙ¶ÈΪ
0.62
0.62
m/s2£¬ÔÚFʱ¿ÌµÄ˲ʱËÙ¶ÈΪ
0.98
0.98
m/s£®£¨±£Áô2λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2013?ÈÕÕÕһģ£©£¨1£©Ä³Í¬Ñ§ÔÚÑо¿¡°¶Ô²»Í¬ÎïÌå×öÏàͬ¹¦Çé¿öÏ£¬ÎïÌåÖÊÁ¿ÓëËٶȵĹØϵ¡±Ê±£¬Ìá³öÁËÒÔÏÂËÄÖÖ²ÂÏ룺
A£®m¡Þ¦Ô
B£®m¡Þ
1
¦Ô

C£®m¡Þ¦Ô2
D.m¡Þ
1
¦Ô2

ΪÑéÖ¤²ÂÏëµÄÕýÈ·ÐÔ£¬¸ÃͬѧÓÃÈçͼ1ËùʾµÄ×°ÖýøÐÐʵÑ飺½«³¤Ä¾°åƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬Ä¾¿é¹Ì¶¨ÔÚ³¤Ä¾°åÒ»¶Ë£¬´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚľ¿éÉÏ£¬Ä¾¿éÓÒ²à¹Ì¶¨Ò»Çᵯ»É£¬ÓÃÁ¬½ÓÖ½´øµÄС³µÑ¹Ëõµ¯»ÉÖÁ³¤Ä¾°åµÄÐéÏß´¦Óɾ²Ö¹ÊÍ·Å£¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁе㣬ѡȡµã¼£¾ùÔȵÄÒ»²¿·ÖÖ½´ø£¬¼ÆËã³öС³µÔÈËÙÔ˶¯µÄËٶȦÔ1£¬²â³öС³µµÄÖÊÁ¿m1£»È»ºóÔÚС³µÉϼÓíÀÂ룬ÔÙ´ÎѹËõµ¯»ÉÖÁľ°åÐéÏß´¦Óɾ²Ö¹ÊÍ·ÅС³µ£¬¼ÆËã³öС³µºÍíÀÂëÔÈËÙÔ˶¯µÄËٶȦÔ2£¬²â³öС³µºÍíÀÂëµÄ×ÜÖÊÁ¿m2£ºÔÙÔÚС³µÉϼÓíÀÂ룬Öظ´ÒÔÉϲÙ×÷£¬·Ö±ð²â³ö¦Ô3¡¢m3¡­£®

¢Ùÿ´ÎʵÑéÖУ¬¶¼½«Ð¡³µÑ¹Ëõµ¯»ÉÖÁ³¤Ä¾°åµÄÐéÏß´¦Óɾ²Ö¹ÊÍ·Å£¬Ä¿µÄÊÇ
С³µ»ñµÃÏàͬµÄ¶¯ÄÜ£¨µ¯»É¶ÔС³µ×ö¹¦Ïàͬ£©
С³µ»ñµÃÏàͬµÄ¶¯ÄÜ£¨µ¯»É¶ÔС³µ×ö¹¦Ïàͬ£©
£»ÈôÒªÏû³ýÿ´ÎʵÑéÖÐС³µºÍÖ½´øÊܵ½µÄ×èÁ¦¶ÔС³µÔ˶¯µÄÓ°Ï죬Ӧ½øÐеÄʵÑé²Ù×÷ÊÇ
µæ¸ßľ°å¹Ì¶¨´òµã¼ÆʱÆ÷µÄÒ»¶Ë£¬Ê¹Ð¡³µÁ¬Í¬Ö½´øÒ»ÆðÔÚľ°åÉÏÔÈËÙÔ˶¯£¨Æ½ºâĦ²ÁÁ¦£©
µæ¸ßľ°å¹Ì¶¨´òµã¼ÆʱÆ÷µÄÒ»¶Ë£¬Ê¹Ð¡³µÁ¬Í¬Ö½´øÒ»ÆðÔÚľ°åÉÏÔÈËÙÔ˶¯£¨Æ½ºâĦ²ÁÁ¦£©
£®
¢Úij´ÎʵÑé²É¼¯µÄÎå×éÊý¾ÝÈç±í£ºÓɱí¸ñÊý¾ÝÖ±¹ÛÅжϣ¬Ã÷ÏÔ²»ÕýÈ·µÄÁ½¸ö²ÂÏëÊÇA¡¢B¡¢C¡¢DÖеÄ
AC
AC
£»Èô¶Ôij¸ö²ÂÏë½øÐÐÊý¾Ý´¦Àí²¢×÷ͼ£¬»­³öÁËÈçͼ2ËùʾµÄͼÏó£¬ÔòͼÖеĺá×ø±êÓ¦ÊÇ
1
v2
1
v2
£®
m/kg 0.10 0.20 0.30 0.40 0.50
v/£¨m?s-1£© 1.000 0.707 0.577 0.500 0..447
£¨2£©¶¬¡¢´º¼¾½Ú½µË®Á¿ÉÙ£¬¹ã¶«Ñغ£¸½½ü½­ºÓˮλ½ÏµÍ£¬Õdz±Ê±º£Ë®µ¹¹à£¬³öÏÖ¡°Ï̳±¡±ÏÖÏó£¬Ê¹Ñغ£µØÇøµÄ³ÇÊÐ×ÔÀ´Ë®ÖеÄÀë×ÓŨ¶ÈÔö¸ß£¬µç×èÂʱäС£¬Ë®ÖÊÊܵ½Ó°Ï죮ijͬѧÉè¼ÆÁËÒ»¸ö¼à²âºÓË®µç×èÂʵÄʵÑ飮ÔÚÒ»¸ù¾ùÔȳ¤¶È²£Á§¹ÜÁ½¶Ë·Ö±ð×°ÉÏÏð½ºÈûºÍ²¬µç¼«£¬Èçͼ3Ëùʾ£¬Á½µç¼«Ïà¾àL=0.314m£¬¹ÜÄÚ³äÂú´ý²âµÄºÓË®£®°²×°Ç°ÓÃÓα꿨³ß²âÁ¿²£Á§¹ÜµÄÄÚ¾¶£¬²âÁ¿½á¹ûÈçͼ4Ëùʾ£®
Ϊ²â¹ÜÄÚºÓË®µç×蹩ѡÆ÷²ÄÓУº
µçѹ±íV1£ºÁ¿³Ì15V£¬ÄÚ×èÔ¼30k¦¸
µçѹ±íV2£ºÁ¿³Ì3V£¬ÄÚ×èÔ¼10k¦¸
µçÁ÷±íA1£ºÁ¿³Ì0.6A£¬ÄÚ×èÔ¼0.5¦¸
µçÁ÷±íA2£ºÁ¿³Ì150mA£¬ÄÚ×èÔ¼10¦¸
»¬¶¯±ä×èÆ÷¼×£º×î´óֵΪ10¦¸£¬¶î¶¨µçÁ÷×ã¹»´ó
»¬¶¯±ä×èÆ÷ÒÒ£º×î´óֵΪ1k¦¸£¬¶î¶¨µçÁ÷×ã¹»´ó
µçÔ´E1£ºµç¶¯ÊÆ15V£¬ÄÚ×è6¦¸
µçÔ´E2£ºµç¶¯ÊÆ3V£¬ÄÚ×è2¦¸
¿ª¹Ø¡¢µ¼ÏßÈô¸É£®
¸ÃͬѧѡÓÃÒÔÉϲ¿·ÖÆ÷²Ä²â³öÁË9×éÊý¾Ý£¬²¢ÔÚ×ø±êϵÖбê³ö£¬Èçͼ5Ëùʾ£®
¢Ù¾Ýͼ£¨2£©¶Á³ö²£Á§¹ÜµÄÄÚ¾¶d=
6.70
6.70
mm£®
¢ÚʵÑéʱ£¬ËùÑ¡Óõĵçѹ±íΪ
V1
V1
£¨Ìî¡°V1¡±»ò¡°V2¡±£©£¬ËùÑ¡ÓõĵçÁ÷±íΪ
A2
A2
£¨Ìî¡°A1¡±»ò¡°A2¡±£©£¬ËùÑ¡µÄ»¬¶¯±ä×èÆ÷Ϊ
¼×
¼×
£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©£¬ËùÑ¡µÄµçԴΪ
E1
E1
£¨Ìî¡°E1¡±»ò¡°E2¡±£©£®
¢ÛÔÚ´ðÌ⿨µÄÐéÏß¿òÄÚ»­³ö¸ÃʵÑéµÄÔ­Àíͼ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍø
£¨1£©Ä³Í¬Ñ§ÔÚÓÃÂÝÐý²â΢Æ÷²â¶¨Ä³±¡Æ¬µÄºñ¶Èʱ£¬¶ÁÊýÈçͼ1Ëùʾ£®¿ÉÖª¸Ã±¡Æ¬µÄºñ¶Èd=
 
mm£®
£¨2£©Ä³Í¬Ñ§Óÿ¨³ßÀ´²âÁ¿¹¤¼þµÄÖ±¾¶£¬¶ÁÊýÈçͼ2Ëùʾ£®¸Ã¹¤¼þµÄÖ±¾¶Îªd=
 
 mm£®
£¨3£©Ä³Í¬Ñ§ÓöàÓõç±í°´ÕýÈ·²½Öè²âÁ¿Ò»µç×è×èÖµ£¬Èçͼ3£¬ÔòÕâµç×èÖµÊÇ
 
¦¸£®Èç¹ûÒªÓô˶àÓõç±í²âÁ¿Ò»¸öÔ¼20¦¸µÄµç×裬ΪÁËʹ²âÁ¿±È½Ï¾«È·£¬Ñ¡Ôñ¿ª¹ØӦѡµÄÅ·Ä·µ²ÊÇ
 
£®
£¨4£©ÎªÑо¿Ï¡ÑÎË®ÈÜÒºµÄµç×èÂÊÓëŨ¶ÈµÄ¹Øϵ£¬Ä³Í¬Ñ§Éè¼ÆÁËÈçͼ4ËùʾµÄµç·ͼ£¬Í¼ÖÐEΪ¾«Ó¢¼Ò½ÌÍøÖ±Á÷µçÔ´£¬KΪ¿ª¹Ø£¬K1Ϊµ¥µ¶Ë«ÖÀ¿ª¹Ø£¬VΪµçѹ±í£¬AΪ¶àÁ¿³ÌµçÁ÷±í£¬RΪ»¬¶¯±ä×èÆ÷£¬RxΪ´ý²âÏ¡ÑÎË®ÈÜÒºÒºÖù£®
¢ÙʵÑéʱ£¬±ÕºÏK֮ǰ½«RµÄ»¬Æ¬PÖÃÓÚ
 
£¨Ìî¡°C¡±»ò¡°D¡±£©¶Ë£»µ±ÓõçÁ÷±íÍâ½Ó·¨²âÁ¿RxµÄ×èֵʱ£¬K1Ó¦ÖÃÓÚλÖÃ
 
£¨Ìî¡°1¡±»ò¡°2¡±£©£®
¢ÚÔÚÒ»¶¨Ìõ¼þÏ£¬µÃµ½RxµÄµç×èÂÊËæŨ¶È±ä»¯µÄÇúÏßÈçͼ5Ëùʾ£¨²»¼ÆÓÉÓÚͨµçµ¼ÖµĻ¯Ñ§±ä»¯£©£®ÊµÑéÖÐRxµÄͨµçÃæ»ýΪ50cm2£¬³¤¶ÈΪ5cm£¬²âÁ¿RxµÄ×èÖµÊÇ50¦¸£¬ÔòÆäµç×èÂÊΪ
 
¦¸?m£¬¿ÉµÃ´ËʱÈÜҺŨ¶ÈԼΪ
 
%£¨±£Áô2λÓÐЧÊý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸