£¨1£©ÔÚÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·Å²â³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦F£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеġ¢ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF-xͼÏßÈçͼËùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ______N/m¡¢Í¼Ïß²»¹ýÔ­µãµÄÔ­ÒòÊÇÓÉÓÚ______£®
£¨2£©¢ÙijͬѧÉè¼ÆÁËÒ»¸ö̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaÓëС³µËùÊÜÀ­Á¦F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ¼×ΪʵÑé×°Öüòͼ£®ËûÏëÓù³ÂëµÄÖØÁ¦±íʾС³µÊܵ½µÄºÏÍâÁ¦£¬ÎªÁ˼õСÕâÖÖ×ö·¨´øÀ´µÄʵÑéÎó²î£¬ÄãÈÏΪÏÂÁÐÄĶþÏî˵·¨ÊÇÕýÈ·µÄ£º______
A¡¢ÒªÆ½ºâĦ²ÁÁ¦¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡B¡¢ÊµÑéʱ²»ÐèҪƽºâĦ²ÁÁ¦
C¡¢¹³ÂëµÄÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄ×ÜÖØÁ¦¡¡D¡¢ÊµÑé½øÐÐʱӦÏÈÊÍ·ÅС³µÔÙ½ÓͨµçÔ´
¢ÚÈçͼÒÒËùʾÊÇij´ÎʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬ÆäÖÐA¡¢B¡¢C¡¢D¡¢EÊǼÆÊýµã£¨Ã¿´ò5¸öµãÈ¡Ò»¸ö¼ÆÊýµã£©£¬¾àÀëÈçͼ£¬ÆäÖÐL1=3.07cm£¬L2=12.38cm£¬L3=27.87cm£¬L4=49.62cm£®Ôò´òCµãʱС³µµÄËÙ¶ÈΪ_______m/s£»¼ÓËÙ¶ÈΪ______m/s2£®£¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©

½â£º£¨1£©µ±À­Á¦Îª8Nʱ£¬µ¯»ÉµÄÐαäÁ¿Îªx=5cm=0.05m
µ±À­Á¦Îª0Nʱ£¬µ¯»ÉµÄÐαäÁ¿Îªx=1cm=0.01m
Óɺú¿Ë¶¨ÂÉF=kxµÃ£ºÍ¼ÏßµÄбÂʼ´Îªµ¯»ÉµÄ¾¢¶ÈϵÊý£®
k==200N/m
ͼÏß²»¹ý×ø±êÔ­µãµÄÔ­ÒòÊÇÓÉÓÚµ¯»É±¾ÉíÓÐÖØÁ¦£¬Ê¹µÃµ¯»ÉûÓÐÍâÁ¦µÄÇé¿öÏÂÒѾ­É쳤ÁËÒ»¶Î¾àÀ룮
£¨2£©¢Ù¸ù¾ÝʵÑéÔ­ÀíÎÒÃÇÖªµÀ£¬ÎªÁËÈÃíÀÂëµÄÖØÁ¦¸ü¼Ó½Ó½üΪС³µµÄºÏÍâÁ¦£¬±¾ÊµÑéÖÐÐèҪƽºâĦ²ÁÁ¦ºÍÈÃíÀÂëÖØÁ¦Ô¶Ô¶Ð¡ÓÚС³µÖØÁ¦£¬ÊµÑéʱÏȽÓͨµçÔ´ºóÊÍ·ÅС³µ£¬¹ÊBD´íÎó£¬ACÕýÈ·£®
¹ÊÑ¡AC£®
¢ÚCµãµÄËÙ¶ÈΪ£ºvC===1.24m/s
¸ù¾Ý¡÷x=aT2¿ÉµÃ£º=6.22m/s2
¹Ê´ð°¸Îª£º£¨1£©200£»µ¯»É×ÔÉíÖØÁ¦µÄÓ°Ï죻
£¨2£©AC£» 1.24£» 6.22£®
·ÖÎö£º£¨1£©¸ÃÌ⿼²ìÁËÓ¦Óõ¯Á¦Ó뵯»É³¤¶È¹ØϵµÄͼÏó·ÖÎöÎÊÌ⣮Óɺú¿Ë¶¨ÂÉ¿ÉÇó³öµ¯»ÉµÄ¾¢¶ÈϵÊý£®
£¨2£©¢Ù¸ÃʵÑé×°ÖÃÓÚÑé֤ţ¶ÙµÚ¶þ¶¨ÂɵÄʵÑé×°ÖÃÏàͬ£¬ÎªÁËÈÃíÀÂëµÄÖØÁ¦¸ü¼Ó½Ó½üΪС³µµÄºÏÍâÁ¦£¬±¾ÊµÑéÖÐÐèҪƽºâĦ²ÁÁ¦ºÍÈÃíÀÂëÖØÁ¦Ô¶Ô¶Ð¡ÓÚС³µÖØÁ¦£®
¢ÚÀûÓÃÔÚÔȱäËÙÖ±ÏßÔ˶¯ÖУ¬Öмäʱ¿ÌµÄ˲ʱËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËÙ¶ÈÀ´ÇóBµÄËٶȴóС£¬ÀûÓÃÖð²î·¨¸ù¾Ý¡÷x=aT2¿ÉÇóÎïÌåµÄ¼ÓËٶȣ®
µãÆÀ£º£¨1£©ÔÚÓ¦Óúú¿Ë¶¨ÂÉʱ£¬ÒªÊ×ÏÈת»¯µ¥Î»£¬ÖªµÀͼÏßµÄбÂʼ´Îªµ¯»ÉµÄ¾¢¶ÈϵÊý£»
£¨2£©ÕýÈ·½â´ðʵÑéÎÊÌâµÄÇ°ÌáÊÇÃ÷ȷʵÑéÔ­Àí£¬´ÓʵÑéÔ­Àí³ö·¢½øÐзÖÎöËùÐèʵÑéÆ÷²Ä¡¢ÊµÑé²½Öè¡¢Ëù²âÊý¾ÝµÈ£¬»áÆðµ½Ê°빦±¶µÄЧ¹û£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?¹ã¶«Ä£Ä⣩£¨1£©ÔÚÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·ÅÖòâ³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦F£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеģ®ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF-xͼÏßÈçÏÂͼ1Ëùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ
200 N/m
200 N/m
£®Í¼Ïß²»¹ýÔ­µãµÄÔ­ÒòÊÇÓÉÓÚ
µ¯»ÉÓÐ×ÔÖØ
µ¯»ÉÓÐ×ÔÖØ
£»
£¨2£©ÔÚ¡°²â¶¨½ðÊôË¿µÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÐèÒªÓõçÁ÷±íºÍµçѹ±í²â³ö½ðÊôË¿µÄµç×èR£®ÊµÑéÖиø¶¨µçѹ±í£¨ÄÚµç×èΪ50k¦¸£©¡¢µçÁ÷±í£¨ÄÚµç×èΪ40¦¸£©¡¢»¬¶¯±ä×èÆ÷£¨×î´ó×èֵΪ10¦¸£©¡¢´ý²â½ðÊôË¿£¨µç×èԼΪ100¦¸£©¡¢µçÔ´¡¢¿ª¹Ø¼°µ¼ÏßÈô¸É£®Á½Î»Í¬Ñ§ÏëÓ÷ü°²·¨¶à´Î²âÁ¿×ö³öI-UͼÏßÇó³ö´ý²â½ðÊôË¿µÄ×èÖµ£¬ËûÃÇÉè¼ÆÁ˼ס¢ÒÒÁ½¸öµç·£¬ÄãÈÏΪӦµ±²ÉÓÃ
ÒÒ
ÒÒ
ͼ¸üºÏÀí£¬µçѹ±íÓÒ¶ËÓ¦½ÓÔÚ
a
a
µã£¨Ìî¡°a¡±»ò¡°b¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©ÔÚÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·Å²â³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦F£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеġ¢ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF-xͼÏßÈçͼËùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ
 
N/m¡¢Í¼Ïß²»¹ýÔ­µãµÄÔ­ÒòÊÇÓÉÓÚ
 
£®
£¨2£©¢ÙijͬѧÉè¼ÆÁËÒ»¸ö̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaÓëС³µËùÊÜÀ­Á¦F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ¼×ΪʵÑé×°Öüòͼ£®ËûÏëÓù³ÂëµÄÖØÁ¦±íʾС³µÊܵ½µÄºÏÍâÁ¦£¬ÎªÁ˼õСÕâÖÖ×ö·¨´øÀ´µÄʵÑéÎó²î£¬ÄãÈÏΪÏÂÁÐÄĶþÏî˵·¨ÊÇÕýÈ·µÄ£º
 

A¡¢ÒªÆ½ºâĦ²ÁÁ¦                    B¡¢ÊµÑéʱ²»ÐèҪƽºâĦ²ÁÁ¦
C¡¢¹³ÂëµÄÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄ×ÜÖØÁ¦  D¡¢ÊµÑé½øÐÐʱӦÏÈÊÍ·ÅС³µÔÙ½ÓͨµçÔ´
¢ÚÈçͼÒÒËùʾÊÇij´ÎʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬ÆäÖÐA¡¢B¡¢C¡¢D¡¢EÊǼÆÊýµã£¨Ã¿´ò5¸öµãÈ¡Ò»¸ö¼ÆÊýµã£©£¬¾àÀëÈçͼ£¬ÆäÖÐL1=3.07cm£¬L2=12.38cm£¬L3=27.87cm£¬L4=49.62cm£®Ôò´òCµãʱС³µµÄËÙ¶ÈΪ_
 
m/s£»¼ÓËÙ¶ÈΪ
 
m/s2£®£¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©
¾«Ó¢¼Ò½ÌÍø

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´£º2010Äê¹ã¶«Ê¡¹ãÖݶ«Ý¸ÎåУ¸ßÈýÉÏѧÆÚµÚ¶þ´ÎÁª¿¼£¨Àí×Û£©ÎïÀí ÌâÐÍ£ºÊµÑéÌâ

£¨1£©£¨6·Ö£©ÔÚÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·Å²â³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦F£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеġ¢ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF£­xͼÏßÈçͼËùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ        N/m¡¢Í¼Ïß²»¹ýÔ­µãµÄÔ­ÒòÊÇÓÉÓÚ                             ¡£

£¨2£©£¨12·Ö£©¢ÙijͬѧÉè¼ÆÁËÒ»¸ö̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaÓëС³µËùÊÜÀ­Á¦F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ¼×ΪʵÑé×°Öüòͼ¡£ËûÏëÓù³ÂëµÄÖØÁ¦±íʾС³µÊܵ½µÄºÏÍâÁ¦£¬ÎªÁ˼õСÕâÖÖ×ö·¨´øÀ´µÄʵÑéÎó²î£¬ÄãÈÏΪÏÂÁÐÄĶþÏî˵·¨ÊÇÕýÈ·µÄ£º        

A£®ÒªÆ½ºâĦ²ÁÁ¦B£®ÊµÑéʱ²»ÐèҪƽºâĦ²ÁÁ¦
C£®¹³ÂëµÄÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄ×ÜÖØÁ¦D£®ÊµÑé½øÐÐʱӦÏÈÊÍ·ÅС³µÔÙ½ÓͨµçÔ´
¢ÚÈçͼÒÒËùʾÊÇij´ÎʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬ÆäÖÐA¡¢B¡¢C¡¢D¡¢EÊǼÆÊýµã£¨Ã¿´ò5¸öµãÈ¡Ò»¸ö¼ÆÊýµã£©£¬¾àÀëÈçͼ£¬ÆäÖÐL1=3.07cm, L2=12.38cm, L3=27.87cm, L4=49.62cm¡£Ôò´òCµãʱС³µµÄËÙ¶ÈΪ_      ___m/s£»¼ÓËÙ¶ÈΪ_      ___m/s2¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê¹ã¶«Ê¡¹ãÖݶ«Ý¸ÎåУ¸ßÈýÉÏѧÆÚµÚ¶þ´ÎÁª¿¼£¨Àí×Û£©ÎïÀí ÌâÐÍ£ºÊµÑéÌâ

£¨1£©£¨6·Ö£©ÔÚÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·Å²â³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦F£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеġ¢ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF£­xͼÏßÈçͼËùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ         N/m¡¢Í¼Ïß²»¹ýÔ­µãµÄÔ­ÒòÊÇÓÉÓÚ                              ¡£

£¨2£©£¨12·Ö£©¢ÙijͬѧÉè¼ÆÁËÒ»¸ö̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaÓëС³µËùÊÜÀ­Á¦F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ¼×ΪʵÑé×°Öüòͼ¡£ËûÏëÓù³ÂëµÄÖØÁ¦±íʾС³µÊܵ½µÄºÏÍâÁ¦£¬ÎªÁ˼õСÕâÖÖ×ö·¨´øÀ´µÄʵÑéÎó²î£¬ÄãÈÏΪÏÂÁÐÄĶþÏî˵·¨ÊÇÕýÈ·µÄ£º        

A£®ÒªÆ½ºâĦ²ÁÁ¦                    B£®ÊµÑéʱ²»ÐèҪƽºâĦ²ÁÁ¦

C£®¹³ÂëµÄÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄ×ÜÖØÁ¦  D£®ÊµÑé½øÐÐʱӦÏÈÊÍ·ÅС³µÔÙ½ÓͨµçÔ´

¢ÚÈçͼÒÒËùʾÊÇij´ÎʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬ÆäÖÐA¡¢B¡¢C¡¢D¡¢EÊǼÆÊýµã£¨Ã¿´ò5¸öµãÈ¡Ò»¸ö¼ÆÊýµã£©£¬¾àÀëÈçͼ£¬ÆäÖÐL1=3.07cm, L2=12.38cm, L3=27.87cm, L4=49.62cm¡£Ôò´òCµãʱС³µµÄËÙ¶ÈΪ_      ___m/s£»¼ÓËÙ¶ÈΪ_       ___m/s2¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸