̽¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹ØϵʵÑéÈçÏ£º
ÔÚ̽¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵʱ£¬Ó¦±£³Ö
ÖÊÁ¿
ÖÊÁ¿
²»±ä£¬·Ö±ð¸Ä±äÊ©¼ÓÔÚÎïÌåÉϵÄˮƽÀ­Á¦F£¬²â³öÏà¶ÔÓ¦µÄ¼ÓËÙ¶Èa£®
£¨2£©ÔÚ̽¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåÖÊÁ¿µÄ¹Øϵʱ£¬Ó¦±£³Ö
Á¦
Á¦
²»±ä£¬·Ö±ð¸Ä±äÎïÌåµÄÖÊÁ¿m£¬²â³öÏà¶ÔÓ¦µÄ¼ÓËÙ¶Èa£®
£¨3£©Èç¹ûa-
1m
ͼÏóÊÇͨ¹ý×ø±êÔ­µãµÄÒ»ÌõÖ±Ïߣ¬Ôò˵Ã÷
B
B
£®
A£®ÎïÌåµÄ¼ÓËÙ¶ÈaÓëÆäÖÊÁ¿m³ÉÕý±È£®    B£®ÎïÌåµÄ¼ÓËÙ¶ÈaÓëÆäÖÊÁ¿m³É·´±È£®
C£®ÎïÌåµÄÖÊÁ¿mÓëÆä¼ÓËÙ¶Èa³É·´±È£®    D£®ÎïÌåµÄÖÊÁ¿mÓëÆä¼ÓËÙ¶Èa³É·´±È£®
·ÖÎö£º£¨1£©£¨2£©Ì½¾¿¡°¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±ÊµÑé²ÉÈ¡¿ØÖƱäÁ¿·¨Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ£»
£¨2£©ÎªÁËÖ±¹ÛµØ·´Ó³ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåÖÊÁ¿µÄ¹Øϵ£¬Ðè×÷a-
1
 m
ͼÏó£¬ÈôͼÏóÊÇͨ¹ý×ø±êÔ­µãµÄÒ»ÌõÖ±Ïߣ¬Ôò˵Ã÷¼ÓËÙ¶ÈaÓëÖÊÁ¿m³É·´±È£®
½â´ð£º½â£º£¨1£©¸ÃʵÑé²ÉÈ¡¿ØÖƱäÁ¿·¨£¬ÔÚ̽¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵʱ£¬Ó¦±£³ÖÖÊÁ¿m²»±ä£®
£¨2£©ÔÚ̽¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåµÄÖÊÁ¿µÄ¹Øϵʱ£¬Ó¦³ÖÁ¦F²»±ä£®
£¨3£©Èç¹ûa-
1
 m
ͼÏóÊÇͨ¹ý×ø±êÔ­µãµÄÒ»ÌõÖ±Ïߣ¬ÔòÄܹ»ËµÃ÷ÔÚÍâÁ¦Ò»¶¨µÄÌõ¼þÏ£¬aÓëm³É·´±È£¬¹ÊACD´íÎó£¬BÕýÈ·£®
¹Ê´ð°¸Îª£º£¨1£©ÖÊÁ¿£¬£¨2£©Á¦£¬£¨3£©B£®
µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕ¸ÃʵÑéµÄÔ­Àí£¬ÖªµÀ±¾ÊµÑé²ÉÈ¡¿ØÖƱäÁ¿·¨£¬ÒÔ¼°ÖªµÀÈçºÎÔËÓÃͼÏóµÃ³ö¼ÓËÙ¶ÈÓëÖÊÁ¿ºÍÁ¦µÄ¹Øϵ£¬Í¬Ê±ÊìÁ·Ó¦ÓÃÎïÀí»ù±¾¹æÂɽâ¾öʵÑéÎÊÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

¢ñ£®Í¼1¼×ͼÖÐÓα꿨³ßµÄ¶ÁÊýÊÇ
10.050
10.050
cm£®ÒÒͼÖÐÂÝÐý²â΢Æ÷µÄ¶ÁÊýÊÇ
4.600
4.600
mm£®
¢ò£®ÏÂÁÐÓйظßÖÐÎïÀíʵÑéµÄÃèÊöÖУ¬ÕýÈ·µÄÊÇ£º
ABC
ABC
£®
A£®ÔÚÓôòµã¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÓÉÖ½´øÉϵÄһϵÁе㼣ȡ¼ÆÊýµã£¬¿ÉÇó³öÈÎÒâÁ½¸ö¼ÆÊýµãÖ®¼äµÄƽ¾ùËÙ¶È
B£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÖУ¬À­ÏðƤ½îµÄϸÉþÒªÉÔ³¤£¬²¢ÇÒʵÑéʱҪʹµ¯»É²âÁ¦¼ÆÓëľ°åƽÃæƽÐУ¬Í¬Ê±±£Ö¤µ¯»ÉµÄÖáÏßÓëϸÉþÔÚͬһֱÏßÉÏ
C£®ÔÚ¡°Ì½¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦ºÍÖÊÁ¿Ö®¼äµÄ¹Øϵ¡±µÄʵÑéÖУ¬¿ÉÏȱ£³ÖÎïÌåµÄÖÊÁ¿²»±ä£¬Ñо¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåËùÊܵĺÏÍâÁ¦Ö®¼äµÄ¹Øϵ£¬ÔÙ±£³ÖÎïÌåËùÊܵĺÏÍâÁ¦´óС²»±äÔÙÑо¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåµÄÖÊÁ¿Ö®¼äµÄ¹Øϵ
D£®ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬±ØÐëÒªÓÃÌìƽ²â³öÏÂÂäÎïÌåµÄÖÊÁ¿
¢ó£®ÓÃÈçͼ1¼×ËùʾµÄ×°ÖÃ̽¾¿Ö±Á÷µç»úת¶¯Ê±ÏßȦµÄµçÈȹ¦ÂÊÓëÊäÈëµçÁ÷µÄ¹Øϵ£¬Í¼Öеç·ͼδ»­³ö£®ÏÖ±¸ÓÐÈçÏÂʵÑéÆ÷²Ä£º
A£®Ö±Á÷µç»úM£¨3.0V  1W£©             B£®3VÖ±Á÷µçÔ´
C£®µçÁ÷±í£¨0-0.6A  ÄÚ×èÔ¼0.5¦¸£©D£®µçÁ÷±í£¨0-3A  ÄÚ×èÔ¼0.1¦¸£©
E£®µçѹ±í£¨0-3V  ÄÚ×èÔ¼3k¦¸£©   F£®»¬¶¯±ä×èÆ÷£¨0-5¦¸£©
G£®¿ª¹Ø¡¢µ¼ÏßÈô¸É  H£®Ãë±í           I£®µç»ð»¨´òµã¼ÆʱÆ÷
J£®ÖØ´¸P£¨Ô¼0.1kg£©  K£®Ö½´ø           L£®¿Ì¶È³ß
M£®µ¯»É²âÁ¦¼Æ         N£®Óα꿨³ß
£¨1£©Îª²âÁ¿µç»úÏßȦµÄµçÈȹ¦ÂÊ£¬ÉÏÊöÌṩµÄÆ÷²ÄÖжàÓàµÄÊÇ
DHN
DHN
£¨Ð´³öÆ÷²ÄÐòºÅ£©£»
£¨2£©¸ù¾ÝʵÑéÒªÇó£¬ÔÚͼ2¼×ÐéÏß¿òÄÚ»­È«ÊµÑéµç·ͼ£»
£¨3£©ÊµÑéÖУ¬Èô²â³öµçѹ±íµÄ¶ÁÊýΪU£¬µçÁ÷±íµÄ¶ÁÊýΪI£¬ÖØ´¸µÄÖØÁ¦ÎªG£¬µç»úÔÈËÙÌáÉýÖØÎïµÄËÙ¶ÈΪv£¬Ôòµç»úÏßȦµÄµçÈȹ¦ÂʿɱíʾΪ
UI-Gv
UI-Gv
£»ÈôÔÚijһÊäÈëµçÁ÷Ï£¬µç»úÌáÉýÖØ´¸Ô˶¯Ê±´òµãÖ½´øÈçͼÒÒËùʾ£¨Í¼ÒÒÖÐÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôT=0.04s£©£¬¸ù¾ÝÖ½´øÊý¾Ý£¬¿ÉÇóµÃÖØ´¸ÔÈËÙÏòÉÏÔ˶¯Ê±µÄËÙ¶Èv=
0.55
0.55
m/s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2009?ÑγÇһģ£©ÓÃÈçͼËùʾµÄ×°ÖÃÀ´Ì½¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ£®ÊµÑéʱ£¬Ð¡Å̺ÍíÀÂëÇ£ÒýС³µ£¬Ê¹Ð¡³µ×ö³õËÙΪÁãµÄÔȼÓËÙÔ˶¯£®

£¨1£©´ËʵÑéÖпÉÒÔ²»²âÁ¿¼ÓËٶȵľßÌåÖµ£¬Ô­ÒòÊÇ£º
aÕý±ÈÓÚS£¬¹ÊÖ»ÐëÑо¿SÖ®¼äµÄ±ÈÀý¹Øϵ¼´¿É±íÃ÷aÖ®¼äµÄ¹Øϵ£®
aÕý±ÈÓÚS£¬¹ÊÖ»ÐëÑо¿SÖ®¼äµÄ±ÈÀý¹Øϵ¼´¿É±íÃ÷aÖ®¼äµÄ¹Øϵ£®
£®
£¨2£©Í¨¹ý¸Ä±ä
ÅÌÄÚíÀÂëÖÊÁ¿
ÅÌÄÚíÀÂëÖÊÁ¿
£¬¾Í¿ÉÒԸıäС³µËùÊܵ½µÄºÏÁ¦£®
£¨3£©ÔÚ̽¾¿¼ÓËÙ¶ÈÓëÖÊÁ¿¹Øϵʱ£¬·Ö±ðÒÔ
a
a
Ϊ×Ý×ø±ê¡¢
1
M
1
M
Ϊºá×ø±ê×÷ͼÏó£¬ÕâÑù¾ÍÄÜÖ±¹ÛµØ¿´³öÆä¹Øϵ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2013?»ÝÖÝÈýÄ££©£¨1£©ÀûÓÃÈçͼ1ËùʾµÄ×°Öà¿ÉÒÔ×öÁ¦Ñ§ÖеÄһЩʵÑ飬ÒÑÖª½»Á÷ µçµÄƵÂÊΪf£¬Ð¡³µÖÊÁ¿ÎªM£¬¹³Âë ÖÊÁ¿Îªm£®
¢ÙÈç¹ûÀûÓÃËüÀ´Ì½¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓë Á¦¡¢ÖÊÁ¿µÄ¹Øϵʱ£¬ÎªÊ¹Ð¡³µËùÊܵĺÏÍâÁ¦µÈÓÚϸÏßµÄÀ­Á¦£¬Ó¦¸Ã²ÉÈ¡µÄ´ëÊ©ÊÇ
ƽºâĦ²ÁÁ¦
ƽºâĦ²ÁÁ¦
£¬ÒªÊ¹Ï¸ÏßµÄÀ­Á¦µÈÓÚ¹³ÂëµÄ×ÜÖØÁ¿£¬Ó¦¸ÃÂú×ãµÄÌõ¼þÊÇM
Ô¶´óÓÚ
Ô¶´óÓÚ
 m£¨Ìî¡°´óÓÚ¡±¡¢¡°Ô¶´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°Ô¶Ð¡ÓÚ¡±£©
¢ÚÔÚÂú×ãÁËС³µËùÊܵĺÏÍâÁ¦µÈÓÚϸÏßµÄÀ­Á¦µÄÌõ¼þÏ£¬ÇÒʹϸÏßµÄÀ­Á¦µÈÓÚ¹³ÂëµÄ ×ÜÖØÁ¿£¬Èç¹ûÀûÓÃËüÀ´Ì½¾¿ÍâÁ¦×ö¹¦Ó붯ÄܵĹØϵʱµÃµ½µÄÖ½´øÈçͼ2Ëùʾ£®OΪС³µ¿ªÊ¼ Ô˶¯´òϵĵÚÒ»µã£¬A¡¢B¡¢CΪ¹ý³ÌÖеÄÈý¸öÏàÁڵļÆÊýµã£¬ÏàÁڵļÆÊýµãÖ®¼äÓÐËĸöµã Ã»Óбê³ö£¬ÓйØÊý¾ÝÈçͼËùʾ£¬ÒªÌ½¾¿Ð¡³µÔ˶¯µÄ¶¯Äܶ¨Àí£¬ÒªÂú×ãÒ»¸öÔõÑùµÄ¹Øϵʽ
mghB=
Mf2(hC-hA)2
200
mghB=
Mf2(hC-hA)2
200
 £¨ÓÃÌâÖеÄ×Öĸ·ûºÅ±íʾ£©

¢ÛÈç¹ûÀûÓôË×°ÖÃÀ´Ñé֤С³µÓë¹³Âë×é³ÉµÄϵͳ»úеÄÜÊغãʱΪ¾¡¿ÉÄÜÏû³ýĦ²ÁÁ¦ ¶ÔС³µµÄÓ°Ï죺ÔòС³µÖÊÁ¿ºÍ¹³ÂëµÄÖÊÁ¿¹ØϵӦ¸ÃÂú×ãM
ԶСÓÚ
ԶСÓÚ
m £¨Ìî¡°´óÓÚ¡±¡¢¡°Ô¶´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°Ô¶Ð¡ÓÚ¡±£©
£¨2£©Ó÷ü°²·¨²âÁ¿½ðÊôË¿µÄµç×裬ijͬѧÉè¼ÆÁËÈçͼ3ÒÒËùʾµÄµç·ͼ£¬µçÔ´µç¶¯ÊÆE=4V£® ÊµÑéÒªÇó»ñµÃ¶à×éÊý¾Ý£¬ÇÒ½ðÊôË¿ÉÏËù¼ÓµÄµçѹÐë´ÓÁ㿪ʼ£®
¢ÙijͬѧÏÈÓöàÓõç±í´Ö²â¸Ã½ðÊôË¿µÄµç×裮ÓÃÒѾ­µ÷ºÃÁãÇÒÑ¡Ôñ¿ª¹ØÖ¸ÏòÅ·Ä·µ²¡°X 10¡°µµÎ»µÄ¶àÓõç±í²âÁ¿£¬·¢ÏÖÖ¸ÕëµÄƫת½Ç¶ÈÌ«´ó£¬ÕâʱËûÓ¦½«Ñ¡Ôñ¿ª¹Ø»»³ÉÅ·Ä·µ²µÄµµÎ»£¨Ñ¡Ìî¡°x1OO¡±»ò¡°X1¡±£©£¬È»ºó½øÐÐ
Å·Ä·µ÷Áã
Å·Ä·µ÷Áã
£¬ÔٴβâÁ¿µç×èË¿µÄ×èÖµ£¬Æä±íÅ̼°Ö¸ÕëËùָλÖÃÈçͼ3¼×Ëùʾ£¬Ôò´Ë¶Îµç×èË¿µÄµç×èΪ
14
14
¦¸_£®
¢ÚÇë¸ù¾ÝͼÒҵĵç·ͼ£¬ÔÚͼ3±ûͼÖÐÍê³ÉÁ¬Ïߣ®
¢ÛÁ¬½Óµç·ʱ£¬¿ª¹ØSÓ¦´¦ÓÚ
¶Ï¿ª
¶Ï¿ª
£¨Ñ¡Ìî¡°±ÕºÏ¡°»ò¡°¶Ï¿ª¡±£©×´Ì¬£»¿ª¹Ø±ÕºÏÇ°£¬Ó¦½«»¬¶¯±ä×èÆ÷µÄ»¬Æ¬PÖÃÓÚ
a
a
¶Ë£¨Ñ¡Ìî¡°a¡±»ò¡°b¡±£©£»ÎªÊ¹µçѹ±íʾÊýÔö´ó£¬PÓ¦ÓÉÖеãÏò
b
b
¶Ë»¬¶¯£¨Ñ¡Ìî¡°a¡±»ò¡°b¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡°Ì½¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±µÄʵÑéÖУ®
£¨1£©ÔÚ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹ØϵµÄʵÑéÖУ¬ÒÔϲÙ×÷ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ó¦½«ÖØÎïÓÃϸÏßͨ¹ý¶¨»¬ÂÖϵÔÚС³µÉÏ
B£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ó¦½«Ö½´øÁ¬½ÓÔÚС³µÉϲ¢´©¹ý´òµã¼ÆʱÆ÷
C£®Ã¿´Î¸Ä±äС³µµÄÖÊÁ¿Ê±£¬²»ÐèÒªÖØÐÂƽºâĦ²ÁÁ¦
D£®ÊµÑéʱ£¬Ó¦ÏÈ·Å¿ªÐ¡³µ£¬ºó½ÓͨµçÔ´
£¨2£©ÎªÁ˸üÖ±¹ÛµØ·´Ó³ÎïÌåµÄ¼ÓËÙ¶ÈaÓëÎïÌåÖÊÁ¿mµÄ¹Øϵ£¬ÍùÍùÓÃa-
1
m
¹ØϵͼÏó±íʾ³öÀ´£®Èç¹ûa-
1
m
ͼÏóÊÇͨ¹ý×ø±êÔ­µãµÄÒ»ÌõÖ±Ïߣ¬Ôò˵Ã÷
ÎïÌåµÄ¼ÓËÙ¶ÈaÓëÎïÌåÖÊÁ¿³ÉÕý±È
ÎïÌåµÄ¼ÓËÙ¶ÈaÓëÎïÌåÖÊÁ¿³ÉÕý±È
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©ÈçͼËùʾ£¬¼×ͼÖÐÂÝÐý²â΢Æ÷µÄ¶ÁÊýΪ
1.881
1.881
mm£®

£¨2£©ÈçͼÒÒËùʾ£¬ÔÚ̽¾¿¡°¹²µãÁ¦ºÏ³É¡±µÄʵÑéÖУ¬ÏðƤÌõÒ»¶Ë¹Ì¶¨ÓÚPµã£¬ÁíÒ»¶ËÁ¬½ÓÁ½¸öµ¯»É³Ó£¬·Ö±ðÓÃF1ÓëF2À­Á½¸öµ¯»É³Ó£¬½«½áµãÀ­ÖÁOµã£®ÏÖÈÃF2´óСÔö´ó£¬·½Ïò²»±ä£¬ÒªÊ¹½áµãÈÔλÓÚOµã£¬ÔòF1µÄ´óС¼°Í¼ÖЦ£¨¦Â£¾90¡ã£©½ÇµÄ±ä»¯¿ÉÄÜÊÇ
BC
BC
£º
A£®Ôö´óF1µÄͬʱÔö´ó¦Â½Ç           B£®¼õСF1µÄͬʱ¼õС¦Â½Ç
C£®Ôö´óF1µÄͬʱ¼õС¦Â½Ç           D£®¼õСF1µÄͬʱÔö´ó¦Â½Ç
£¨3£©Èçͼ±ûËùʾ£¬ÊÇÓÃDISʵÑéϵͳ̽¾¿¡°ÎïÌåµÄ¼ÓËÙ¶ÈÓëÁ¦ºÍÖÊÁ¿µÄ¹Øϵ¡±ÊµÑé×°Öã®
¢ÙΪÁËʹС³µËùÊܵĺÏÁ¦µÈÓÚÉþ×ÓµÄÀ­Á¦£¬ÔÚʵÑé²âÁ¿Ç°£¬»¹ÐèÒª¶ÔʵÑé×°ÖÃ×÷±ØÒªµÄµ÷Õû£¬ÇëÄãд³ö¸ÃÈçºÎµ÷Õû£º
Çãбľ°åÒÔƽºâĦ²ÁÁ¦
Çãбľ°åÒÔƽºâĦ²ÁÁ¦
£®
¢Ú±£³ÖС³µËùÊÜÀ­Á¦²»±ä£¬¸Ä±äС³µµÄÖÊÁ¿£¬²âµÃÁËϱíËùʾµÄ6×éÊý¾Ý£º
×é±ð 1 2 3 4 5 6
m/kg 0.3 0.4 0.5 0.6 0.7 0.8
a/m?s-2 0.95 0.72 0.61 0.49 0.40 0.35
Çë¸ù¾Ý6×éÊý¾ÝÔÚÉÏͼÖÐÑ¡ÔñºÏÊʵÄ×ø±ê×÷³ö¼ÓËÙ¶ÈÓëÖÊÁ¿µÄ¹ØϵͼÏߣ®
¢ÛÈç¹û¹³ÂëµÄÖØÁ¦Ô½À´Ô½´óʱ£¬Ð¡³µµÄ¼ÓËٶȻáÎÞÏÞÖƵØÔö¼ÓÂð£¿Çë¼òÒª»Ø´ðÀíÓɺͽáÂÛ£º
²»»á£¬¶ÔÓÚ¹³ÂëÀ´ËµºÏÍâÁ¦Ð¡ÓÚÖØÁ¦£¬¼ÓËÙ¶ÈСÓÚÖØÁ¦¼ÓËÙ¶È
²»»á£¬¶ÔÓÚ¹³ÂëÀ´ËµºÏÍâÁ¦Ð¡ÓÚÖØÁ¦£¬¼ÓËÙ¶ÈСÓÚÖØÁ¦¼ÓËÙ¶È
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸