£¨9·Ö£©£¨1£©Ä³Ð£Ñо¿ÐÔѧϰС×éµÄͬѧÃǺÜÏëÖªµÀÿ¸ù³¤50m¡¢ºá½ØÔ²Ãæ»ýΪ400cm2µÄ¸ÖË÷ÄܳÐÊܵÄ×î´óÀ­Á¦¡£ÓÉÓÚÖ±½Ó²âÁ¿ºÜÀ§ÄÑ£¬Í¬Ñ§ÃÇÈ¡À´ÁËͬÖÖ²ÄÁÏÖƳɵÄÑùÆ·½øÐÐʵÑé̽¾¿¡£Óɺú¿Ë¶¨ÂÉ¿ÉÖª£¬ÔÚµ¯ÐÔÏÞ¶ÈÄÚ£¬µ¯»ÉµÄµ¯Á¦FÓëÐαäÁ¿x³ÉÕý±È£¬Æä±ÈÀýϵÊýÓ뵯»ÉµÄ³¤¶È¡¢ºá½ØÃæ»ý¼°²ÄÁÏÓйء£Òò¶øͬѧÃDzÂÏ룬ÐüË÷¿ÉÄÜÒ²×ñÑ­ÀàËƵĹæÂÉ¡£
¾­¹ýͬѧÃdzä·ÖµÄÌÖÂÛ£¬²»¶ÏÍêÉÆʵÑé·½°¸£¬×îºóʵÑéÈ¡µÃÊý¾ÝÈçÏ£º
ÑùÆ·
 
³¤¶È
 
200N
400N
600N
800N
ÑùÆ·A
1m
0.50cm2
0.02cm
0.04cm
0.06cm
0.08cm
ÑùÆ·B
2m
0.50cm2
0.08cm
0.16cm
0.24cm
0.32cm
ÑùÆ·C
1m
1.00cm2
0.01cm
0.02cm
0.03cm
0.04cm
ÑùÆ·D
3m
0.50cm2
0.18cm
0.36cm
0.54cm
0.72cm
ÑùÆ·E
1m
0.25cm2
0.04cm
0.08cm
0.12cm
0.32cm
·ÖÎöÑùÆ·CµÄÊý¾Ý¿ÉÖª£¬ÆäËùÊÜÀ­Á¦F£¨µ¥Î»N£©ÓëÉ쳤Á¿x(µ¥Î»m)×ñÑ­µÄº¯Êý¹ØϵʽÊÇ              ¡£¶Ô±È¸÷ÑùÆ·µÄʵÑéÊý¾Ý¿ÉÖª£¬ÐüË÷Êܵ½µÄÀ­Á¦ÓëÐüË÷µÄÉ쳤Á¿³ÉÕý±È£¬Æä±ÈÀýϵÊýÓëÐüË÷³¤¶È            ³ÉÕý±È¡¢ÓëÐüË÷µÄ                ³ÉÕý±È¡£
£¨2£©³£ÓÃÂÝÐý²â΢Æ÷µÄ¾«¶ÈÊÇ0.01 mm¡£ÓÒͼÖеÄÂÝÐý²â΢Æ÷¶ÁÊýΪ5.620 mm£¬ÇëÔڿ̶ÈÏßÅԱߵķ½¿òÄÚ±ê³öÏàÓ¦µÄÊýÖµÒÔ·ûºÏ¸ø³öµÄ¶ÁÊý¡£
£¨1£©F£½2¡Á106x£¨N£© Æ½·½µÄµ¹Êý ºá½ØÃæ»ýµÄ´óС£¨Ã¿¿Õ2·Ö£¬¹²6·Ö£©
£¨2£©¹Ì¶¨¿Ì¶È£º 5     ¿É¶¯¿Ì¶È£º 10     15   £¨Ã¿¿Õ1·Ö£¬¹²3·Ö£©
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨18·Ö£©
£¨1£©£¨9·Ö£©Ä³×éͬѧÉè¼ÆÁË¡°Ì½¾¿¼ÓËÙ¶ÈaÓëÎïÌåËùÊܺÏÁ¦F¼°ÖÊÁ¿mµÄ¹Øϵ¡±ÊµÑ顣ͼ£¨a£©ÎªÊµÑé×°Öüòͼ£¬AΪС³µ£¬BΪµç»ð»¨¼ÆʱÆ÷£¬CΪװÓÐϸɰµÄСͰ£¬DΪһ¶Ë´øÓж¨»¬Âֵij¤·½ÐÎľ°å£¬ÊµÑéÖÐÈÏΪϸÉþ¶ÔС³µÀ­Á¦FµÈÓÚϸɰºÍСͰµÄ×ÜÖØÁ¿£¬Ð¡³µÔ˶¯µÄ¼ÓËÙ¶Èa¿ÉÓÃÖ½´øÉÏ´ò³öµÄµãÇóµÃ.

¢Ùͼ£¨b£©ÎªÄ³´ÎʵÑéµÃµ½µÄÖ½´ø£¬ÒÑ֪ʵÑéËùÓõçÔ´µÄƵÂÊΪ50Hz. ¸ù¾ÝÖ½´ø¿ÉÇó³öС³µµÄ¼ÓËٶȴóСΪ          m/s2.£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
¢ÚÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈaÓëÖÊÁ¿mµÄ¹Øϵ¡±Ê±£¬±£³ÖϸɰºÍСͰÖÊÁ¿²»±ä£¬¸Ä±äС³µÖÊÁ¿m£¬·Ö±ð¼Ç¼С³µ¼ÓËÙ¶ÈaÓëÆäÖÊÁ¿mµÄÊý¾Ý. ÔÚ·ÖÎö´¦Àíʱ£¬¸Ã×éͬѧ²úÉú·ÖÆ磻¼×ͬѧÈÏΪӦ¸Ã¸ù¾ÝʵÑéÖвâµÃµÄÊý¾Ý×÷³öС³µ¼ÓËÙ¶ÈaÓëÆäÖÊÁ¿mµÄͼÏó.ÒÒͬѧÈÏΪӦ¸Ã¸ù¾ÝʵÑéÖвâµÃµÄÊý¾Ý×÷³öС³µ¼ÓËÙ¶ÈaÓëÆäÖÊÁ¿µ¹ÊýµÄͼÏó. Á½Î»Í¬Ñ§¶¼°´ÕÕ×Ô¼ºµÄ·½°¸½«ÊµÑéÊý¾ÝÔÚ×ø±êϵÖнøÐÐÁ˱ê×¢. µ«ÉÐδÍê³ÉͼÏó£¨ÈçÏÂͼËùʾ£©. ÄãÈÏΪͬѧ             £¨Ìî¡°¼×¡±¡¢¡°ÒÒ¡±£©µÄ·½°¸¸üºÏÀí. Çë¼ÌÐø°ïÖú¸Ãͬѧ×÷³ö×ø±êÖеÄͼÏó.

¢ÛÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈaÓëºÏÁ¦FµÄ¹Øϵ¡±Ê±£¬±£³ÖС³µµÄÖÊÁ¿²»±ä£¬¸Ä±äСͰÖÐϸɰµÄÖÊÁ¿£¬¸Ãͬѧ¸ù¾ÝʵÑéÊý¾Ý×÷³öÁ˼ÓËÙ¶ÈaÓëºÏÁ¦FµÄͼÏßÈçͼ(c)£¬¸ÃͼÏß²»Í¨¹ý×ø±êÔ­µã£¬ÊÔ·ÖÎöͼÏß²»Í¨¹ý×ø±êÔ­µãµÄÔ­Òò.
´ð£º                                          .

£¨2£©£¨9·Ö£©Ä³´ý²âµç×èµÄ¶î¶¨µçѹΪ3V£¨×èÖµ´óԼΪ10¦¸£©.
Ϊ²âÁ¿Æä×èÖµ£¬ÊµÑéÊÒÌṩÁËÏÂÁпÉÑ¡ÓõÄÆ÷²Ä
A£ºµçÁ÷±íA1£¨Á¿³Ì300mA£¬ÄÚ×èÔ¼1¦¸£©  B£ºµçÁ÷±íA2£¨Á¿³Ì0.6A£¬ÄÚ×èÔ¼3k¦¸£©
C£ºµçѹ±íV1£¨Á¿³Ì3.0V£¬ÄÚ×èÔ¼5k¦¸£©   D£ºµçѹ±íV2£¨Á¿³Ì5.0V£¬ÄÚ×èÔ¼5k¦¸£©
E£º»¬¶¯±ä×èÆ÷R1£¨×î´ó×èֵΪ50¦¸£©      F£º»¬¶¯±ä×èÆ÷R2£¨×î´ó×èֵΪ500¦¸£©
G£ºµçÔ´E£¨µç¶¯ÊÆ4V£¬ÄÚ×è¿ÉºöÂÔ£©                  H£ºµç¼ü¡¢µ¼ÏßÈô¸É
¢ÙΪÁ˾¡¿ÉÄÜÌá¸ß²âÁ¿×¼È·¶È£¬Ó¦Ñ¡ÔñµÄÆ÷²ÄΪ£¨Ö»ÐèÌîдÆ÷²ÄÇ°ÃæµÄ×Öĸ¼´¿É£©µçÁ÷±í         £»µçѹ±í        £»»¬¶¯±ä×èÆ÷         .
¢ÚÏÂÁиø³öµÄ²âÁ¿µç·ÖУ¬×îºÏÀíµÄµç·ÊÇ             .

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨17·Ö£©
¢ñ.(4·Ö) ÔÚ²âÁ¿ÖØÁ¦¼ÓËٶȵÄʵÑéÖУ¬Ä³Í¬Ñ§ÓÃÒ»¸ùϸÏߺÍÒ»¾ùÔÈСÇòÖƳɵ¥°Ú¡£ËûÒѾ­²âµÃ´Ëµ¥°Ú50¸öÖÜÆÚµÄʱ¼äΪt£¬´ÓÐü¹Òµãµ½Ð¡Çò¶¥¶ËµÄÏß³¤Îªl£¬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿
Ϊ                 ¡£½«gÓòâµÃÁ¿±íʾ£¬Ôòg=                ¡£
¢ò.(13·Ö) ²âÒ»×èÖµÔ¼1¦¸µÄµç×èË¿RxµÄ×èÖµ¡£Îª½Ï׼ȷ²âÁ¿£¬ÒªÇó¶à²â¼¸×éÊý¾Ý¡£
ʵÑéÊÒ¹©Ñ¡ÔñµÄÆ÷²ÄÓУº
µçÔ´E£ºµç¶¯ÊÆÔ¼1.5V£¬ÄÚ×è¿ÉºöÂÔ
µçÁ÷±íA1£ºÁ¿³Ì0¡«0.2A£¬ÄÚ×èÔ¼0.5¦¸
µçÁ÷±íA2£ºÁ¿³Ì0¡«0.01A£¬ÄÚ×èÔ¼0.05¦¸
µçѹ±íV1£ºÁ¿³Ì3.0V£¬ÄÚ×è·Ç³£´ó
µçѹ±íV2£ºÁ¿³Ì15.0V£¬ÄÚ×è·Ç³£´ó
»¬¶¯±ä×èÆ÷R£º0¡«10¦¸
µç×èÏäR£°£º0¡«99.99¦¸
µç¼üSÓëµ¼ÏßÈô¸É
£¨1£©Ä³ÊµÑéС×éµÄͬѧÉè¼ÆÁËÈçÉÏҳͼËùʾµÄµç·ͼÀ´²âÁ¿Rx£¬¸Ãµç·Óв»Í×»ò²»·ûºÏÒªÇóÖ®´¦£¬ÇëÖ¸³öÆäÖеÄÁ½´¦£º
¢Ù                                   £»
¢Ú                                   ¡£

£¨2£©Ç뽫ÄãÉè¼ÆµÄ²âÁ¿µç·ͼÔÚ·½¿òÄÚ£¬²¢±êÃ÷ËùÑ¡Æ÷²Ä·ûºÅ¡£
ÓòâµÃµÄÎïÀíÁ¿¼ÆËãRxµÄ¹«Ê½ÊÇRx=                    £»Ê½Öи÷ÎïÀíÁ¿µÄÎïÀíÒâÒåÊÇ                                                                         ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ

(18·Ö)
£¨1£©Èçͼ9ËùʾΪ¡°ÑéÖ¤ÅöײÖеĶ¯Á¿Êغ㡱µÄʵÑé×°Öá£

¢ÙÏÂÁÐ˵·¨Öв»·ûºÏ±¾ÊµÑéÒªÇóµÄÊÇ        ¡£ (Ñ¡ÌîÑ¡ÏîÇ°ÃæµÄ×Öĸ)
A£®ÈëÉäÇò±È°ÐÇòÖÊÁ¿´ó»òÕßС¾ù¿É£¬µ«¶þÕßµÄÓ®¾¶±ØÐëÏàͬ
B£®ÔÚͬһ×éʵÑéµÄ²»Í¬ÅöײÖУ¬Ã¿´ÎÈëÉäÇò±ØÐë´Óͬһ¸ß¶ÈÓɾ²Ö¹ÊÍ·Å
C£®°²×°¹ìµÀʱĩ¶Ë±ØÐëˮƽ
D£®ÐèÒªµÄ²âÁ¿ÒÇÆ÷ÓÐÌìƽºÍ¿Ì¶È³ß
¢ÚʵÑéÖмǼÁ˹ìµÀÄ©¶ËÔڼǼֽÉϵÄÊúֱͶӰΪOµã£¬¾­¶à´ÎÊÍ·ÅÈëÉäÇò£¬ÔڼǼֽÉÏÕÒµ½ÁËÁ½ÇòµÄƽ¾ùÂäµãλÖÃM¡¢P¡¢N£¬²¢²âµÃËüÃǵ½OµãµÄ¾àÀë·Ö±ðΪ¡¢ºÍ¡£ÒÑÖªÈëÉäÇòµÄÖÊÁ¿Îª£¬°ÐÇòµÄÁ¿Îª£¬Èç¹û²âµÃ½üËƵÈÓÚ       £¬Ôò¿ÉÈÏΪ³É¹¦ÑéÖ¤ÁËÅöײÖеĶ¯Á¿Êغ㡣
£¨2£©ÓÃÒ»¶Î³¤Îª80cmµÄ½ðÊôË¿×ö¡°²â¶¨½ðÊôµÄµç×èÂÊ¡±µÄʵÑé¡£
¢ÙÓöàÓñí´Ö²âµç×èË¿µÄµç×裬½á¹ûÈçͼ10Ëùʾ£¬ÓÉ´Ë¿ÉÖªµç×èË¿µç×èµÄ²âÁ¿ÖµÔ¼Îª
       ¡£

¢ÚÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôË¿µÄÖ±¾¶£¬½á¹ûÈçͼ11Ëùʾ£¬ÓÉ´Ë¿ÉÖª½ðÊôË¿Ö±¾¶µÄ²âÁ¿½á¹ûΪ
      mm¡£

¢ÛÔÚÓõçѹ±íºÍµçÁ÷±í²â½ðÊôË¿µÄµç×èʱ£¬ÌṩÏÂÁй©Ñ¡ÔñµÄÆ÷²Ä£º
A£®Ö±Á÷µçÔ´(µç¶¯ÊÆԼΪ4.5V£¬ÄÚ×èºÜС)
B£®µçѹ±í(Á¿³Ì0¡«3V£¬ÄÚ×èÔ¼3k)
C£®µçѹ±í(Á¿³Ì0¡«15V£¬ÄÚ×èÔ¼15k)
D£®µçÁ÷±í(Á¿³Ì0¡«0.6A£¬ÄÚ×èÔ¼0.125)
E£®µçÁ÷±í(Á¿³Ì0¡«3A£¬ÄÚ×èÔ¼0.025)
F£®»¬¶¯±ä×èÆ÷(×èÖµ·¶Î§0¡«15£¬×î´óÔÊÐíµçÁ÷1A)
G£®»¬¶¯±ä×èÆ÷(×èÖµ·¶Î§0¡«200£¬×î´óÔÊÐíµçÁ÷2A)
H£®¿ª¹Ø¡¢µ¼Ïß¡£
ÒªÇóÓнϸߵIJâÁ¿¾«¶È£¬²¢ÄܲâµÃ¶à×éÊý¾Ý£¬ÔÚ¹©Ñ¡ÔñµÄÆ÷²ÄÖУ¬µçÁ÷±íӦѡÔñ     £¬µçѹ±íӦѡÔñ     £¬»¬¶¯±ä×èÆ÷ӦѡÔñ     ¡£(Ìî×Öĸ´úºÅ)
¢Ü¸ù¾ÝÉÏÃæÑ¡ÔñÆ÷²Ä£¬Íê³Éͼ12ÖÐʵÑéµç·µÄÁ¬½Ó¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ

ijÎïÀí¿ÎÍâС×éÏë̽¾¿¡°´ø·ç·«µÄÍæ¾ßС³µËùÊÜ×èÁ¦ÓëÔ˶¯ËٶȵĹØϵ¡±£¬ËûÃǽøÐÐÁËÒÔÏÂʵÑé̽¾¿£º

£¨1£©²ÂÏ룺¢Ùf×èÓë³µµÄËÙ¶ÈvÎ޹أ»¢Ú£»¢Û
£¨2£©Ì½¾¿²½Öè
¢Ù½«´øÓз緫µÄÍæ¾ßС³µ¡¢ÒÑÁ¬½ÓºÃµçÔ´µÄ´òµã¼ÆʱÆ÷ºÍÖ½´ø°´Èçͼ10¼×Ëùʾ°²×°Ôڹ⻬ÇãбµÄ³¤Ä¾°åÉÏ£»
¢Ú½Óͨ´òµã¼ÆʱÆ÷µçÔ´£¨µçԴƵÂÊf=50Hz£©£¬Ê¹Íæ¾ßС³µ´Ó¾²Ö¹¿ªÊ¼¼ÓËÙÔ˶¯£¬×ã¹»³¤µÄʱ¼äºó¹Ø±Õ´òµã¼ÆʱÆ÷£»
¢Û¸Ä±ä³¤Ä¾°åµÄÇã½Ç£¬Öظ´ÒÔÉÏʵÑ飬¼Ç¼ʵÑéÊý¾ÝÈçϱíËùʾ£º
ʵÑé´ÎÊý
ľ°åÇã½Ç¦È
sin¦È
С³µÔÈËÙÔ˶¯Ê±µÄËÙ¶Èv£¨m/s£©
С³µÔÈËÙÔ˶¯Ê±ËٶȵÄƽ·½v2£¨m/s£©2
1
4¡ã
0.07
0.60
0.36
2
10¡ã
0.18
 
¡Á
3
24¡ã
0.41
3.51
12.32
4
36¡ã
0.59
5.06
25.60
5
48¡ã
0.74
6.34
40.20
6
60¡ã
0.87
 
¡Á
ÇëÄã¸ù¾Ý¸ÃС×éµÄ̽¾¿Íê³ÉÏÂÁеÄÎÊÌ⣺
£¨¢ñ£©Í¼10ÒÒÊÇÇã½Ç¦È=10¡ãµÄÒ»Ìõ´òµãÖ½´ø£¬Í¨¹ý¼ÆËãÍê³É±íÖжÔÓ¦µÄ¿Õ°×Ï
£¨¢ò£©Í¨¹ý¹Û²ì±íÖеÄʵÑéÊý¾Ý£¬ÊÔ½«¦È=60¡ãʱС³µÔÈËÙÔ˶¯µÄËÙ¶ÈÌîÔÚ±íÖжÔÓ¦µÄ¿Õ°×´¦£®
£¨¢ó£©½áÂÛ£ºÔÚʵÑéÎó²î·¶Î§ÄÚ£¬Í¨¹ý¶ÔÊý¾ÝµÄ¹Û²ì·ÖÎö£¬Íæ¾ßС³µËùÊܵÄ×èÁ¦ÓëÔ˶¯        ËٶȵĶ¨ÐÔ¹ØϵÊÇ                               £®Ò²¿ÉÒÔ½øÒ»²½Í¨¹ýͼÏ󷨶ÔÊý¾Ý½øÐзÖÎöµÃµ½Ô˶¯Ð¡³µËùÊܵ½×èÁ¦ÓëÔ˶¯ËٶȵĶ¨Á¿¹Øϵ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ


1£©Á˽âʵÑéÒÇÆ÷µÄ½á¹¹¡¢¹¤×÷Ô­ÀíºÍ¹¤×÷Ìõ¼þÊDZ£Ö¤ÊµÑé³É¹¦µÄÇ°Ìᣬͨ¹ý¶ÔʵÑéÒÇÆ÷µÄ¹Û²ì£¬ÕÆÎÕÐÂÒÇÆ÷µÄʹÓ÷½·¨£¬Ò²ÊÇÒ»ÖÖÖØÒªµÄʵÑéÄÜÁ¦¡£
£¨2£©Ê¹Óõç»ð»¨¼ÆʱÆ÷À´·ÖÎöÎïÌåÔ˶¯Çé¿öµÄʵÑéÖУº
¢ÙÔÚÈçÏÂʵÑé²½ÖèÖУ¬ÕýÈ·ºÏÀíµÄÅÅÁÐ˳ÐòΪ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£
A£®°Ñµç»ð»¨¼ÆʱÆ÷¹Ì¶¨ÔÚ×À×ÓÉÏ
B£®°²ºÃÖ½´ø
C£®ËÉ¿ªÖ½´øÈÃÎïÌå´ø×ÅÖ½´øÔ˶¯
D£®½Óͨ220V½»Á÷µçÔ´
E£®°´ÏÂÂö³åÊä³ö¿ª¹Ø£¬½øÐдòµã
¢ÚÔÚ°²·ÅÖ½´øʱ£¬Òª¼ì²éÄ«·ÛÖ½ÅÌÊÇ·ñÒѾ­ÕýÈ·µØÌ×ÔÚ¡¡¡¡¡¡£¬»¹Òª¼ì²é¡¡¡¡¡¡¡¡¡¡ÊÇ·ñ¼ÐÔÚÁ½ÌõÖ½´øÖ®¼ä¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

Èçͼ4-4-13Ëùʾ£¬ÊÇÑо¿¡°Ë®Á÷Éä³ÌÓëÅÅË®¿×¸ß¶ÈµÄ¹Øϵ¡±µÄʵÑé×°Öã¬È¡Ò»Ö»½Ï¸ßµÄËÜÁÏÆ¿£¨Èç¿ÉÀÖÒûÁÏÆ¿£©ÔÚ²à±ÚµÄĸÏßÉÏ×êÒ»ÅÅС¿×£¬±£³ÖС¿×µÄ¼ä¾àΪ¶¨Öµ£¬ÔÚÿ¸öС¿×Öнô²åÒ»¶ÎÔ²Öé±ÊоµÄËÜÁϹܣ¬×÷ΪÅÅË®¹Ü£¨Í¼ÖÐÖ»»­Á˼¸¸ö×÷ΪʾÒ⣬ʵÑéʱӦ¶à×ö¼¸¸ö£¬ÒÔ±£Ö¤ÊµÑ龡Á¿×¼È·£©.ÔÙ¼ôÈô¸ÉС¶ÎÈíËÜÁϹܣ¬½«Æäһͷ¼ÓÈÈÈí»¯·â±ÕÆðÀ´£¬×÷ΪÅÅË®¹ÜµÄÌ×ñ²¢²åÈë¶ÔÓ¦µÄС¿×ÖУ¬Áí±¸½ÓË®ÅÌ£¬Ö±³ß£¬Ë®±­µÈ£®ÈΰγöÒ»¸öÌ×ñ£¨ÉèÆä¶ÔÓ¦ÅÅˮС¿×µ½µ×ÃæµÄ¸ß¶ÈΪ£©¾Í¿ÉÒÔ²âµÃÆäË®Á÷µÄÉä³ÌΪ£¬¶à×ö¼¸´ÎʵÑ飬ÇÒÿ´ÎʵÑéʱҺÃæ³õʼ¸ß¶È¾ùΪH,ÀûÓÃÃèµã·¨¾ÍÔÚͼ4-4-14Öпɻ­³öµÄͼÏñ£®ÇëÄã¸ù¾ÝÀíÂÛ·ÖÎöºó²¢ÔÚͼÖл­³öÕâ¸öͼÏñ£¬µ±Ë®´Ó¾àµ×Ãæ¶à¸ßµÄλÖõĿ×ÖÐÅç³öʱÉä³Ì×îÔ¶£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨8·Ö£©
£¨1£©£¨4·Ö£©ÈçÏÂͼÓÃÂÝÐý²â΢Æ÷¶¨Ä³Ò»½ðÊôË¿Ö±¾¶£¬²âµÃµÄÖ±¾¶Îª      mm£»ÓÃ20µÈ·Ö¿Ì¶ÈµÄÓα꿨³ß²âÒ»¹¤¼þµÄ³¤¶È£¬²âµÃµÄ³¤¶ÈΪ    cm¡£

£¨2£©£¨4·Ö£©Ä³Í¬Ñ§ÔÚ×ö¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȡ±ÊµÑéʱ£¬´Ó´òϵÄÈô¸ÉÖ½´øÖÐÑ¡³öÁËÈçͼËùʾµÄÒ»Ìõ£¨Ã¿Á½µã¼ä»¹ÓÐ4¸öµãûÓл­³öÀ´£©£¬Í¼ÖÐÉϲ¿µÄÊý×ÖΪÏàÁÚÁ½¸ö¼ÆÊýµã¼äµÄ¾àÀ룬´òµã¼ÆʱÆ÷µÄµçԴƵÂÊΪ50Hz¡£ÓÉÕâЩÒÑÖªÊý¾Ý¼ÆË㣺
¢Ù¸ÃÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶Èa=       m/s2£¬¢ÚÓëÖ½´øÉÏDµãÏà¶ÔÓ¦µÄ˲ʱËÙ¶Èv=       m/s¡££¨´ð°¸¾ùÒªÇó±£Áô3λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÀûÓÃ×ÔÓÉÂäÌåÀ´ÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑ飺ÈôÒÑÖª´òµã¼ÆʱÆ÷µÄµçԴƵÂÊΪ50Hz£¬
µ±µØµÄÖØÁ¦¼ÓËÙ¶Èg="9.8" m/s2£¬ÖØÎïÖÊÁ¿Îªm £¬ÊµÑéÖеõ½Ò»Ìõµã¼£ÇåÎúµÄÖ½´øÈçͼ-4
Ëùʾ£¬ÆäÖÐ0ΪµÚÒ»¸öµã£¬A¡¢B¡¢CΪÁíÍâ3¸öÁ¬Ðøµã£¬¸ù¾ÝͼÖÐÊý¾Ý¿ÉÖª£¬ÖØÎïÓÉ0µã
Ô˶¯µ½Bµã£¬ÖØÁ¦ÊÆÄܼõÉÙÁ¿7.62 m £»¶¯ÄÜÔö¼ÓÁ¿__________£¬²úÉúÎó²î
µÄÖ÷ÒªÔ­Òò____________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸