ÓÃËٶȴ«¸ÐÆ÷Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯µÄʵÑéÖУ¬²âµÃС³µ¸÷ʱ¿ÌµÄ˲ʱËÙ¶ÈÈçÏ£º
ʱ¿Ì£¨s£© 0.1 0.2 0.3 0.4 0.5 0.6
˲ʱËٶȣ¨cm/s£© 44.0 62.0 81.0 100.0 118.0 138.0
ΪÁËÇó³ö¼ÓËٶȣ¬×îºÏÀíµÄ·½·¨ÊÇ£¨¡¡¡¡£©
A£®¸ù¾ÝÈÎÒâÁ½¸ö¼ÆÊýµãµÄËٶȣ¬Óù«Ê½a=
¡÷v
¡÷t
Ëã³ö¼ÓËÙ¶È
B£®¸ù¾ÝʵÑéÊý¾Ý»­³öv-tͼÏó£¬ÓÉͼÏßÉϽÏÔ¶Á½µãËù¶ÔÓ¦µÄËٶȼ°Ê±¼ä£¬Óù«Ê½a=
¡÷v
¡÷t
Ëã³ö¼ÓËÙ¶È
C£®¸ù¾ÝʵÑéÊý¾Ý»­³öv-tͼÏó£¬Á¿³öÆäÇã½Ç¦È£¬Óù«Ê½a=tan¦ÈËã³ö¼ÓËÙ¶È
D£®Ëã³öÁ¬ÐøÁ½¸öÏàµÈʱ¼ä¶ÎÄڵļÓËٶȣ¬ÔÙÇóƽ¾ùÖµ¼´¶ÔС³µµÄ¼ÓËÙ¶È
A¡¢·½·¨AËäÄÜÇó³öÆä¼ÓËٶȣ¬ÓÉÓÚÖ»ÀûÓÃÁËÆäÖеÄÁ½×éÊý¾Ý£¬Å¼È»Îó²î½Ï´ó£¬¹ÊA´íÎó£®
B¡¢¸ù¾ÝʵÑéÊý¾Ý»­³öv-tͼÏó£¬ÓÉͼÏßÉϽÏÔ¶Á½µãËù¶ÔÓ¦µÄËٶȼ°Ê±¼ä£¬Óù«Ê½a=
¡÷v
¡÷t
Ëã³ö¼ÓËٶȣ¬Ñ¡½ÏÔ¶µÄÁ½µã¿ÉÒÔ¼õСÎó²î£¬¹ÊBÕýÈ·£®
C¡¢×÷ͼ·¨ÊÇÇóÎïÌå¼ÓËٶȵÄÒ»¸öÐÐÖ®ÓÐЧµÄ·½·¨£¬¾ßÓмõСżȻÎó²îµÄЧ¹û£¬µ«·½·¨BÒ²ÊDz»Óõģ¬ÒòÁ½×ø±êÖáµÄ·Ö¶È´óСÍùÍùÊDz»ÏàµÈµÄ£¬Ò²¾ÍÊÇ˵ͬһ×éÊý¾Ý£¬¿ÉÒÔ»­³öÐí¶àÇã½Ç²»Í¬µÄͼÏߣ¬ÔÙ¼ÓÉϲâÁ¿½Ç¶Èʱ²âÁ¿Îó²î½Ï´ó£¬¹Ê²»Äܱ»²ÉÓ㬹ÊC´íÎó£®
D¡¢·½·¨DÒ²¾ßÓз½·¨AÏàͬµÄȱµã£¬Èça1=
v2-v1
T
£¬a2=
v3-v2
T
£¬¡­a5=
v6-v5
T
£¬Çóƽ¾ùֵʱ£¬a=
v6-v1
5T
£¬Ö»ÓÃÁËv6ºÍv1Á½×éÊý¾Ý£¬Å¼È»Îó²î½Ï´ó£¬¹ÊD´íÎó£®
¹ÊÑ¡B£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

A£®ÈçͼËùʾÊÇÑо¿ÎïÌå×öÔȱäËÙÖ±ÏßÔ˶¯¹æÂÉʱµÃµ½µÄÒ»ÌõÖ½´ø£¨ÊµÑéÖдòµã¼ÆʱÆ÷Ëù½ÓµÍѹ½»Á÷µçÔ´µÄƵÂÊΪ50Hz£©£¬´ÓOµãºó¿ªÊ¼Ã¿5¸ö¼ÆʱµãÈ¡Ò»¸ö¼ÇÊýµã£¬ÒÀÕÕ´òµãµÄÏȺó˳ÐòÒÀ´Î±àºÅΪ0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6£¬²âµÃx1=5.18cm£¬x2=4.40cm£¬x3=3.60cm£¬x4=2.78cm£¬x5=2.00cm£¬x6=1.20cm£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨1£©ÎïÌåµÄ¼ÓËٶȴóСa=
0.80
0.80
m/s2£»
£¨2£©´òµã¼ÆʱÆ÷´ò¼ÇÊýµã3ʱ£¬ÎïÌåµÄËٶȴóСΪv3=
0.32
0.32
m/s£®
B£®Èçͼ2Ϊ¡°ÓÃDIS£¨Î»ÒÆ´«¸ÐÆ÷¡¢Êý¾Ý²É¼¯Æ÷¡¢¼ÆËã»ú£©Ñо¿¼ÓËٶȺÍÁ¦µÄ¹Øϵ¡±µÄʵÑé×°Öã®
£¨1£©ÔÚ¸ÃʵÑéÖбØÐë²ÉÓÿØÖƱäÁ¿·¨£¬Ó¦±£³Ö
С³µÖÊÁ¿
С³µÖÊÁ¿
²»±ä£¬Óù³ÂëËùÊܵÄÖØÁ¦×÷Ϊ
С³µÊܵ½µÄºÏÁ¦
С³µÊܵ½µÄºÏÁ¦
£¬ÓÃDIS²âС³µµÄ¼ÓËٶȣ®
£¨2£©¸Ä±äËù¹Ò¹³ÂëµÄÊýÁ¿£¬¶à´ÎÖظ´²âÁ¿£®ÔÚij´ÎʵÑéÖиù¾Ý²âµÃµÄ¶à×éÊý¾Ý¿É»­³öa-F¹ØϵͼÏߣ¨Èçͼ3Ëùʾ£©£®
¢Ù·ÖÎö´ËͼÏßµÄOA¶Î¿ÉµÃ³öµÄʵÑé½áÂÛÊÇ
ÔÚС³µÖÊÁ¿Ò»¶¨µÄÇé¿öÏ£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëÆäËùÊܵ½µÄºÏÁ¦³ÉÕý±È
ÔÚС³µÖÊÁ¿Ò»¶¨µÄÇé¿öÏ£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëÆäËùÊܵ½µÄºÏÁ¦³ÉÕý±È
£®
¢Ú£¨µ¥Ñ¡Ì⣩´ËͼÏßµÄAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ
C
C
 
A£®Ð¡³µÓë¹ìµÀÖ®¼ä´æÔÚĦ²Á
B£®µ¼¹ì±£³ÖÁËˮƽ״̬
C£®Ëù¹Ò¹³ÂëµÄ×ÜÖÊÁ¿Ì«´ó
D£®ËùÓÃС³µµÄÖÊÁ¿Ì«´ó£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÑо¿µç´Å¸ÐÓ¦ÏÖÏóµÄ¹ý³ÌÖУ¬Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸öÈçͼ1ËùʾµÄʵÑé×°Öã®ABCDΪһ¸öÓҶ˿ª¿ÚµÄUÐÍˮƽµ¼¹ì£¬ËüËùÔÚ¿Õ¼äÓд¹Ö±ÓÚµ¼¹ìƽÃæÏòÉϵÄÔÈÇ¿´Å³¡£®µ¼Ìå°ôADºÍBC¶Îµ¼¹ìÊÇÓеç×èµÄ£¬ÆäËü²¿·Öµç×è²»¼Æ£®ÆäÖÐBC¶Îµç×èR0=5¦¸£®ÏÖÏÈÈõ¼Ìå°ôADÔÚÍâÁ¦×÷ÓÃÏÂÑص¼¹ìÓɾ²Ö¹¿ªÊ¼×öÔȼÓËÙÖ±ÏßÔ˶¯£¬µ±µ¼Ìå°ôËٶȴﵽijһֵʱ£¬Í¨¹ýµ÷ÕûÍâÁ¦Ê¹µ¼Ìå°ôÁ¢¼´×ö¸ÃËÙ¶ÈϵÄÔÈËÙÖ±ÏßÔ˶¯£®ÈôÒÑÖªµ¼Ìå°ôµÄ³¤¶ÈL=1m£¬´Å³¡µÄ´Å¸ÐӦǿ¶ÈB0=0.6T£®
£¨1£©ÏÖÒªÓõçѹ±í²âÁ¿ADÁ½¶ËµÄµçѹֵ£¬ÐèÒª½«Ò»¸öÁ¿³ÌΪ3V£¬ÄÚ×èֵΪ5k¦¸µÄµçѹ±íVµÄÁ¿³ÌÀ©´óΪ6V£¬ÐèÒªÔÚÏÂÃæ¸ø³öµÄµç×èÏäÖÐÑ¡ÔñÒ»¸öÓëµçѹ±íV´®Áª£¬ÄãÈÏΪӦѡÔñ
 
£®£¨ÇëÌîдѡÏî×Öĸ£©
A¡¢µç×èÏ䣨×èÖµ·¶Î§0-99¦¸£©
B¡¢µç×èÏ䣨×èÖµ·¶Î§0-999¦¸£©
C¡¢µç×èÏ䣨×èÖµ·¶Î§0-9999¦¸£©
£¨2£©µ±µ¼Ìå°ôµÄ¼ÓËÙ¶Èa=1m/s2ʱ£¬ÊµÑéÕßͨ¹ý´«¸ÐÆ÷²É¼¯µ½µÄµçѹUºÍʱ¼ätµÄ¶à×éÊý¾Ý£¬ÀûÓüÆËã»ú»æÖƳöµÄU-tµÄ¹ØϵͼÏóÈçͼ2Ëùʾ£¬Ôò¿ÉÄÜÇó³öµ¼Ìå°ôADµÄ×èֵΪ
 
¦¸£®¾«Ó¢¼Ò½ÌÍø
£¨3£©ÊµÑéÕ߸ıä´Å¸ÐӦǿ¶ÈBµÄ´óС£¬Öظ´ÉÏÊöʵÑé²Ù×÷£®¼Ç¼µ¼Ìå°ôÔÈËÙÔ˶¯Ê±µçѹ±íʾÊýUey´Å¸ÐӦǿ¶ÈBµÄ¶à×éÊý¾Ý£¬²¢×ö³öU-B¹ØϵͼÏóÈçͼ3Ëùʾ£®ÔòÔڴŸÐÇ¿¶ÈÔö´óµÄ¹ý³ÌÖе¼Ìå°ô×îÖÕËٶȱ仯Çé¿öΪ
 
£®£¨Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÑо¿µç´Å¸ÐÓ¦ÏÖÏóµÄ¹ý³ÌÖУ¬Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸öÈçͼIËùʾµÄʵÑé×°Öá£ABCDΪһ¸öÓҶ˿ª¿ÚµÄUÐÍˮƽµ¼¹ì£¬ËüËùÔÚ¿Õ¼äÓд¹Ö±ÓÚµ¼¹ìƽÃæÏòÉϵÄÔÈÇ¿´Å³¡¡£µ¼Ìå°ôADºÍBC¶Îµ¼¹ìÊÇÓеç×èµÄ£¬ÆäËü²¿·Öµç×è²»¼Æ¡£ÆäÖÐBC¶Îµç×èR0=5¦¸.ÏÖÏÈÈõ¼Ìå°ôADÔÚÍâÁ¦×÷ÓÃÏÂÑص¼¹ìÓɾ²Ö¹¿ªÊ¼×öÔȼÓËÙÖ±ÏßÔ˶¯£¬µ±µ¼Ìå°ôËٶȴﵽijһֵʱ£¬Í¨¹ýµ÷ÕûÍâÁ¦Ê¹µ¼Ìå°ôÁ¢¼´×ö¸ÃËÙ¶ÈϵÄÔÈËÙÖ±ÏßÔ˶¯¡£ÈôÒÑÖªµ¼Ìå°ôµÄ³¤¶ÈL=1m£¬´Å³¡µÄ´Å¸ÐӦǿ¶ÈB0=0.6T¡£

£¨1£©ÏÖÒªÓõçѹ±í²âÁ¿ADÁ½¶ËµÄµçѹֵ£¬ÐèÒª½«Ò»¸öÁ¿³ÌΪ3V£¬ÄÚ×èֵΪ5k¦¸µÄµçѹ±íVµÄÁ¿³ÌÀ©´óΪ6V£¬ÐèÒªÔÚÏÂÃæ¸ø³öµÄµç×èÏäÖÐÑ¡ÔñÒ»¸öÓëµçѹ±íV´®Áª£¬ÄãÈÏΪӦѡÔñ          ¡££¨ÇëÌîдѡÏî×Öĸ£©

A¡¢µç×èÏ䣨×èÖµ·¶Î§0—99¦¸£©

B¡¢µç×èÏ䣨×èÖµ·¶Î§0—999¦¸£©

C¡¢µç×èÏ䣨×èÖµ·¶Î§0—9999¦¸£©

£¨2£©µ±µ¼Ìå°ôµÄ¼ÓËÙ¶Èa=1m/s2ʱ£¬ÊµÑéÕßͨ¹ý´«¸ÐÆ÷²É¼¯µ½µÄµçѹUºÍʱ¼ätµÄ¶à×éÊý¾Ý£¬ÀûÓüÆËã»ú»æÖƳöµÄU—tµÄ¹ØϵͼÏóÈçͼ2Ëùʾ£¬Ôò¿ÉÄÜÇó³öµ¼Ìå°ôADµÄ×èֵΪ     ¦¸¡£

£¨3£©ÊµÑéÕ߸ıä´Å¸ÐӦǿ¶ÈBµÄ´óС£¬Öظ´ÉÏÊöʵÑé²Ù×÷¡£¼Ç¼µ¼Ìå°ôÔÈËÙÔ˶¯Ê±µçѹ±íʾÊýUey´Å¸ÐӦǿ¶ÈBµÄ¶à×éÊý¾Ý£¬²¢×ö³öU-B¹ØϵͼÏóÈçͼ3Ëùʾ¡£ÔòÔڴŸÐÇ¿¶ÈÔö´óµÄ¹ý³ÌÖе¼Ìå°ô×îÖÕËٶȱ仯Çé¿öΪ          ¡££¨Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

A£®ÈçͼËùʾÊÇÑо¿ÎïÌå×öÔȱäËÙÖ±ÏßÔ˶¯¹æÂÉʱµÃµ½µÄÒ»ÌõÖ½´ø£¨ÊµÑéÖдòµã¼ÆʱÆ÷Ëù½ÓµÍѹ½»Á÷µçÔ´µÄƵÂÊΪ50Hz£©£¬´ÓOµãºó¿ªÊ¼Ã¿5¸ö¼ÆʱµãÈ¡Ò»¸ö¼ÇÊýµã£¬ÒÀÕÕ´òµãµÄÏȺó˳ÐòÒÀ´Î±àºÅΪ0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6£¬²âµÃx1=5.18cm£¬x2=4.40cm£¬x3=3.60cm£¬x4=2.78cm£¬x5=2.00cm£¬x6=1.20cm£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨1£©ÎïÌåµÄ¼ÓËٶȴóСa=______m/s2£»
£¨2£©´òµã¼ÆʱÆ÷´ò¼ÇÊýµã3ʱ£¬ÎïÌåµÄËٶȴóСΪv3=______m/s£®
B£®Èçͼ2Ϊ¡°ÓÃDIS£¨Î»ÒÆ´«¸ÐÆ÷¡¢Êý¾Ý²É¼¯Æ÷¡¢¼ÆËã»ú£©Ñо¿¼ÓËٶȺÍÁ¦µÄ¹Øϵ¡±µÄʵÑé×°Öã®
£¨1£©ÔÚ¸ÃʵÑéÖбØÐë²ÉÓÿØÖƱäÁ¿·¨£¬Ó¦±£³Ö______²»±ä£¬Óù³ÂëËùÊܵÄÖØÁ¦×÷Ϊ______£¬ÓÃDIS²âС³µµÄ¼ÓËٶȣ®
£¨2£©¸Ä±äËù¹Ò¹³ÂëµÄÊýÁ¿£¬¶à´ÎÖظ´²âÁ¿£®ÔÚij´ÎʵÑéÖиù¾Ý²âµÃµÄ¶à×éÊý¾Ý¿É»­³öa-F¹ØϵͼÏߣ¨Èçͼ3Ëùʾ£©£®
¢Ù·ÖÎö´ËͼÏßµÄOA¶Î¿ÉµÃ³öµÄʵÑé½áÂÛÊÇ______£®
¢Ú£¨µ¥Ñ¡Ì⣩´ËͼÏßµÄAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ______
A£®Ð¡³µÓë¹ìµÀÖ®¼ä´æÔÚĦ²Á
B£®µ¼¹ì±£³ÖÁËˮƽ״̬
C£®Ëù¹Ò¹³ÂëµÄ×ÜÖÊÁ¿Ì«´ó
D£®ËùÓÃС³µµÄÖÊÁ¿Ì«´ó£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêºÓÄÏÊ¡Ö£ÖÝÊй®Òå¶þÖиßÒ»£¨ÉÏ£©ÆÚÄ©ÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

A£®ÈçͼËùʾÊÇÑо¿ÎïÌå×öÔȱäËÙÖ±ÏßÔ˶¯¹æÂÉʱµÃµ½µÄÒ»ÌõÖ½´ø£¨ÊµÑéÖдòµã¼ÆʱÆ÷Ëù½ÓµÍѹ½»Á÷µçÔ´µÄƵÂÊΪ50Hz£©£¬´ÓOµãºó¿ªÊ¼Ã¿5¸ö¼ÆʱµãÈ¡Ò»¸ö¼ÇÊýµã£¬ÒÀÕÕ´òµãµÄÏȺó˳ÐòÒÀ´Î±àºÅΪ0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6£¬²âµÃx1=5.18cm£¬x2=4.40cm£¬x3=3.60cm£¬x4=2.78cm£¬x5=2.00cm£¬x6=1.20cm£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨1£©ÎïÌåµÄ¼ÓËٶȴóСa=    m/s2£»
£¨2£©´òµã¼ÆʱÆ÷´ò¼ÇÊýµã3ʱ£¬ÎïÌåµÄËٶȴóСΪv3=    m/s£®
B£®Èçͼ2Ϊ¡°ÓÃDIS£¨Î»ÒÆ´«¸ÐÆ÷¡¢Êý¾Ý²É¼¯Æ÷¡¢¼ÆËã»ú£©Ñо¿¼ÓËٶȺÍÁ¦µÄ¹Øϵ¡±µÄʵÑé×°Öã®
£¨1£©ÔÚ¸ÃʵÑéÖбØÐë²ÉÓÿØÖƱäÁ¿·¨£¬Ó¦±£³Ö    ²»±ä£¬Óù³ÂëËùÊܵÄÖØÁ¦×÷Ϊ    £¬ÓÃDIS²âС³µµÄ¼ÓËٶȣ®
£¨2£©¸Ä±äËù¹Ò¹³ÂëµÄÊýÁ¿£¬¶à´ÎÖظ´²âÁ¿£®ÔÚij´ÎʵÑéÖиù¾Ý²âµÃµÄ¶à×éÊý¾Ý¿É»­³öa-F¹ØϵͼÏߣ¨Èçͼ3Ëùʾ£©£®
¢Ù·ÖÎö´ËͼÏßµÄOA¶Î¿ÉµÃ³öµÄʵÑé½áÂÛÊÇ    £®
¢Ú£¨µ¥Ñ¡Ì⣩´ËͼÏßµÄAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ     
A£®Ð¡³µÓë¹ìµÀÖ®¼ä´æÔÚĦ²Á
B£®µ¼¹ì±£³ÖÁËˮƽ״̬
C£®Ëù¹Ò¹³ÂëµÄ×ÜÖÊÁ¿Ì«´ó
D£®ËùÓÃС³µµÄÖÊÁ¿Ì«´ó£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸