ijʵÑéС×éÓÃÈçͼËùʾµÄ×°ÖòâÁ¿µ¯»ÉµÄ¾¢¶ÈϵÊýk¡£µ±¹ÒÔÚµ¯»É϶˵ÄíÀÂë´¦ÓÚ¾²Ö¹×´Ì¬Ê±£¬²â³öµ¯»ÉÊܵ½µÄÀ­Á¦FÓë¶ÔÓ¦µÄµ¯»É³¤¶ÈL£¨µ¯»ÉʼÖÕÔÚµ¯ÐÔÏÞ¶ÈÄÚ£©£¬Áбí¼Ç¼ÈçÏ£º

ʵÑé´ÎÊýi

Fi£¨N£©

Li£¨cm£©

1

0.49

60.20

2

0.98

61.60

3

1.47

63.05

4

1.96

64.65

5

2.45

66.10

6

2.94

67.55

    ÒòΪÖð²î·¨³£ÓÃÓÚ´¦Àí×Ô±äÁ¿µÈ¼ä¾à±ä»¯µÄÊý¾Ý×飬ËùÒÔС×éÒ»³ÉÔ±ÓÃÖð²î·¨´¦ÀíÊý¾Ý£¬¾ßÌåÈçÏ£º½«±íÖеÚÈýÁÐÏàÁÚµÄÁ½ÏîÇó²î£¬µÃ³öµ¯»ÉÉ쳤Á¿¦¤L= Li - Li-1

ÿ¸ö¦¤L¶¼ÊÇÓëÏàͬµÄÀ­Á¦¦¤F=0.49NÏà¶ÔÓ¦µÄÉ쳤Á¿£¬Çó³ö¦¤LµÄƽ¾ùÖµ

£½£½£½cm£½1.47cm

    ¹Ê¸Ãµ¯»ÉµÄ¾¢¶ÈϵÊýΪk£½£½£½0.333N/cm

¸Ã³ÉÔ±ÔÚʵÑéÊý¾Ý´¦ÀíÖдæÔÚµÄÎÊÌâÊÇ£º                       £»

ÇëÄãÓÃÖð²î·¨´¦Àí±í¸ñÖеÄÊý¾Ý£¬¾¡Á¿¾«È·¼ÆËã³öµ¯»ÉµÄ¾¢¶ÈϵÊýk=         N/cm£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©¡£

£¨1£©¢ÙÖ»ÀûÓÃÁËL1ºÍL6Á½¸öÊý¾Ý£¬µ¼ÖÂÎó²î½Ï´ó£¨»òδÀûÓÃL2¡¢L3¡¢L4¡¢L5£¬µ¼ÖÂÎó²î½Ï´ó£©£»£¨3·Ö£©¢Ú0.328¡££¨3·Ö£©

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±ÊµÑéÖУ®Ä³ÊµÑéС×éÓÃÈçͼËùʾװÖ㬲ÉÓÿØÖƱäÁ¿µÄ·½·¨À´Ñо¿Ð¡³µÖÊÁ¿²»±äµÄÇé¿öÏ£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëС³µÊܵ½Á¦µÄ¹Øϵ£®
£¨1£©´ËʵÑéС×éËùÓõçԴƵÂÊΪ50Hz£¬µÃµ½µÄÖ½´øÈçͼËùʾ£®ÉáȥǰÃæ±È½ÏÃܼ¯µÄµã£¬´ÓOµã¿ªÊ¼£¬ÔÚÖ½´øÉÏÈ¡A¡¢B¡¢CÈý¸ö¼Æʱµã£¨OA¼äµÄ¸÷µãûÓбê³ö£©£¬ÒÑÖªd1=3.0cm£¬d2=4.8cm£¬d3=6.8cm£®ÔòС³µÔ˶¯µÄ¼ÓËÙ¶ÈΪ
5.0
5.0
m/s2£®£¨½á¹û±£Áô2λÓÐЧÊý×Ö£©
£¨2£©Ä³ÊµÑéС×éµÃµ½µÄͼÏßAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ
C
C

A£®Ð¡³µÓë¹ìµÀÖ®¼ä´æÔÚĦ²Á
B£®µ¼¹ì±£³ÖÁËˮƽ״̬
C£®íÀÂëÅÌÌí¼ÓíÀÂëµÄ×ÜÖÊÁ¿Ì«´ó
D£®ËùÓÃС³µµÄÖÊÁ¿Ì«´ó£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2001?ÉϺ££©Ä³ÊµÑéС×éÓÃÈçͼËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤Àã´Î¶¨ÂÉ£®µ±ÌõÐδÅÌú×ÔÉ϶øÏ´©¹ý¹Ì¶¨µÄÏßȦʱ£¬Í¨¹ýµçÁ÷¼ÆµÄ¸ÐÉúµçÁ÷·½ÏòÊÇ  £¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©ÏÂͼµÄÓα꿨³ßµÄ¶ÁÊýÊÇ
 
mm
¾«Ó¢¼Ò½ÌÍø
£¨2£©ÔÚÑо¿µ¯»ÉµÄÐαäÁ¿ÓëÍâÁ¦¹ØϵµÄʵÑéÖУ¬¾«Ó¢¼Ò½ÌÍø½«µ¯»Éˮƽ·ÅÖòâ³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦Ê¬£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеģ®ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF-xͼÏóÈçͼËùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ
 
N/m
£¨3£©Ä³ÊµÑéС×éÓÃÈçͼËùʾµÄʵÑé×°ÖÃÀ´²âÁ¿Ä¾°å¶ÔÎï¿éµÄĦ²ÁÁ¦Ëù×öµÄ¹¦£®Ò»Îï¿é·ÅÔÚ´Ö²ÚµÄˮƽ³¤Ä¾°åÉÏ£¬ÓÒ²à˨ÓÐһϸÏߣ¬¿ç¹ý¹Ì¶¨ÔÚľ°å±ßÔµµÄ»¬ÂÖÓëÖØ´¸Á¬½Ó£¬Îï¿é×ó²àÓë´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´øÏàÁ¬£¬³¤Ä¾°å¹Ì¶¨ÔÚˮƽʵÑę́ÉÏ£¬¾«Ó¢¼Ò½ÌÍø
ʵÑéʱ£¬Îï¿éÔÚÖØ´¸Ç£ÒýÏÂÏòÓÒÔËÖØ´¸ÂäµØºó£¬Îï¿é¼ÌÐøÏòÓÒ×ö„ò¼õËÙÔ˶¯£®
¢ÙÏÂͼ¸ø³öÁËÖØ´¸ÂäµØºó´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬Ö½´øÉϵÄСºÚµãÊǼÆÊýµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸öµã£¨Í¼ÖÐδ±ê³ö£©£¬¼ÆÊýµã¼äµÄ¾àÀëÒÑÔÚͼÖбê³ö£¬´òµã¼ÆʱÆ÷ËùÓý»Á÷µçƵÂÊΪ50Hz£¬¸ù¾Ý¸Ãͼ¿ÉÒÔÅжÏÖ½´øµÄ
 
£¨Ñ¡Ìî¡°×ó¶Ë¡±»ò¡°ÓҶˡ±£©ÓëÎï¿éÏàÁ¬£®´òµã¼ÆʱÆ÷ÔÚ´òÏÂ4µãºÍBµãʱÎï¿éµÄËٶȷֱðΪvA=
 
m/s£¬vB=
 
m/s £¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©
¾«Ó¢¼Ò½ÌÍø
¢ÚÒ»¸öµçÁ÷¼ÆµÄÂúÆ«µçÁ÷Ig=100¦ÌA£¬ÄÚ×èΪ600¦¸£¬Òª°ÑËü¸Ä×°³ÉÒ»¸öÁ¿³ÌΪ0.6AµÄµçÁ÷±í£¬ÔòÓ¦ÔÚµçÁ÷¼ÆÉÏ
 
£¨Ìî´®Áª»ò²¢Áª£©Ò»¸öÔ¼
 
¦¸µÄµç×裨±£ÁôһλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2006?ÑγǶþÄ££©Ä³ÊµÑéС×éÓÃÈçͼËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤Àã´Î¶¨ÂÉ£®ÔÚÏßȦ×ÔÉ϶øÏ´©¹ý¹Ì¶¨µÄÌõÐδÅÌúµÄ¹ý³ÌÖУ¬´ÓÉÏÏòÏ¿´£¬ÏßȦÖиÐÓ¦µçÁ÷·½ÏòÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÈçͼËùʾ£¬ÎïÀíѧ¼ÒÂó¿Ë˹Τ×ܽáÁË¿âÂØ¡¢·¨À­µÚµÈÈ˵ÄÑо¿³É¹û£¬½¨Á¢ÁËÍêÕûµÄµç´ÅÀíÂÛ£®Çë»Ø´ðÏÂÁеç´ÅÀíÂÛÑо¿ÖеÄÓйØÎÊÌ⣺ijʵÑéС×éÓÃÈçͼËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤Àã´Î¶¨ÂÉ£¬µ±ÌõÐδÅÌúÑع̶¨ÏßȦµÄÖÐÖáÏß×ÔÉÏÖÁϾ­¹ý¹Ì¶¨ÏßȦʱ£¬Í¨¹ýµçÁ÷¼ÆµÄ¸ÐÓ¦µçÁ÷·½ÏòÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸