¢ÙÀûÓÃÈçͼ1ËùʾµÄ×°Öã¬Ì½¾¿Æ½Å×Ô˶¯µÄÌصãʱ£¬ÈÃСÇò¶à´ÎÑØͬһ¹ìµÀÔ˶¯£¬Í¨¹ýÃèµã·¨»­³öСÇò×öƽÅ×Ô˶¯µÄ¹ì¼££¬ÎªÁËÄÜ׼ȷµØÃè»æ³öСÇòµÄÔ˶¯¹ì¼££¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£º
A£®±ØÐëʹб²Û¹ìµÀÄ©¶ËÇÐÏßˮƽ
B£®±ØÐëʹÓù⻬µÄб²Û¹ìµÀ
C£®Ã¿´ÎÊÍ·ÅСÇòʱ£¬±ØÐëÔÚͬһλÖþ²Ö¹ÊÍ·Å
D£®Ìù×ø±êÖ½µÄľ°å£¬Ò»¶¨Òª°²×°ÔÚÊúֱƽÃæÄÚ£¬ÇÒÓëСÇòµÄÔ˶¯¹ì¼£ËùÔÚƽÃæƽÐÐ
¢Ú±¾ÊµÑéÒÑÌṩµÄÆ÷²ÄÓУºÐ±²Û£¨´øСÇò£©¡¢Ä¾°å¼°ÊúÖ±¹Ì¶¨Ö§¼Ü¡¢×ø±êÖ½¡¢Í¼¶¤¡¢Èý½Ç°å¡¢Ç¦±ÊºÍ¿Ì¶È³ß£®»¹È±µÄÖØÒªÆ÷²ÄÊÇ£º
ÖØ´¸
ÖØ´¸
£®
£¨3£©Èçͼ2Ëùʾ£¬·½¸ñ×ø±êֽÿһС¸ñ±ß³¤Îª0.2m£®Ð¡Çò×öƽÅ×Ô˶¯Ê±·Ö±ð¾­¹ýO¡¢A¡¢BÈýµã£¬xÖáΪˮƽ·½Ïò£¬ÖØÁ¦¼ÓËÙ¶ÈgÈ¡10m/s2£¬ÔòOµãÊDz»ÊÇСÇò×öƽÅ×Ô˶¯µÄÆðµã
²»ÊÇ
²»ÊÇ
£®Ð¡Çò´Ó0µãÔ˶¯µ½AµãµÄʱ¼äÊÇ·ñµÈÓÚ´ÓAµãÔ˶¯µ½BµãµÄʱ¼ä
ÏàµÈ
ÏàµÈ
£®Ð¡Çò´ÓOµãÔ˶¯µ½AµãµÄʱ¼äÊÇt=
0.2
0.2
Ã룮СÇò×öƽÅ×Ô˶¯µÄ³õËÙ¶ÈÊÇv0=
3
3
m/s£®Ð¡ÇòÔ˶¯µ½AµãʱÊúÖ±·½ÏòÉϵÄËÙ¶ÈVy=
4
4
m/s£®Ð¡Çò´ÓƽÅ×Ô˶¯¿ªÊ¼£¬µ½´ïAµãÓÃÁË
0.4
0.4
ÃëµÄʱ¼ä£®Ð¡ÇòÔ˶¯µ½AµãʱµÄËÙ¶ÈVA=
5
5
m/s£®
·ÖÎö£º1¡¢¸ù¾ÝʵÑéÆ÷²Ä¡¢ÊµÑé²½Ö裬ÊìϤʵÑéÔ­ÀíÓëʵÑéÓëʵÑé²½Ö裬¼´¿É·ÖÎö£®
2¡¢¸ù¾ÝʵÑéÔ­ÀíÑ¡ÔñʵÑéÆ÷²Ä£®
3¡¢ÕýÈ·Ó¦ÓÃƽÅ×Ô˶¯¹æÂÉ£ºË®Æ½·½ÏòÔÈËÙÖ±ÏßÔ˶¯£¬ÊúÖ±·½Ïò×ÔÓÉÂäÌåÔ˶¯£»½â´ð±¾ÌâµÄÍ»ÆÆ¿ÚÊÇÀûÓÃÔÚÊúÖ±·½ÏòÉÏÁ¬ÐøÏàµÈʱ¼äÄÚµÄλÒƲîµÈÓÚ³£Êý½â³öʱ¼ä£¬È»ºó½øÒ»²½¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯µÄ¹æÂÉ¡¢ÍÆÂÛÇó½â£®
½â´ð£º½â£º£¨1£©A¡¢Í¨¹ýµ÷½Úʹб²ÛÄ©¶Ë±£³Öˮƽ£¬ÊÇΪÁ˱£Ö¤Ð¡Çò×öƽÅ×Ô˶¯£¬¹ÊAÕýÈ·£»
B¡¢ÊµÑéʱֻҪʹСÇò´Óб²ÛµÄͬһλÖÃÓɾ²Ö¹Êͷż´¿É±£Ö¤Ð¡Çò×öƽÅ×Ô˶¯µÄËÙ¶ÈÏàµÈ£¬²»ÐèҪб²Û¹â»¬£¬¹ÊB´íÎó£»
C¡¢ÒòΪҪ»­Í¬Ò»Ô˶¯µÄ¹ì¼££¬±ØÐëÿ´ÎÊÍ·ÅСÇòµÄλÖÃÏàͬ£¬ÇÒÓɾ²Ö¹ÊÍ·Å£¬ÒÔ±£Ö¤»ñµÃÏàͬµÄ³õËٶȣ¬¹ÊCÕýÈ·£»
D¡¢Ð¡ÇòÔÚÊúÖ±ÃæÄÚ×öƽÅ×Ô˶¯£¬±ÜÃâÒòĦ²Á¶øʹÔ˶¯¹ì¼£¸Ä±ä£¬Ð¡ÇòÔ˶¯Ê±²»Ó¦Óëľ°åÉϵİ×Ö½ÏàÅöײ£¬¹ÊÌù×ø±êÖ½µÄľ°å£¬Ò»¶¨Òª°²×°ÔÚÊúֱƽÃæÄÚ£¬ÇÒÓëСÇòµÄÔ˶¯¹ì¼£ËùÔÚƽÃæƽÐУ®¹ÊDÕýÈ·£®
¹ÊÑ¡£ºACD£®
£¨2£©±¾ÊµÑéÓÃÖØ´¸ÏߺÍÖ±³ß»­³ö¹ýOµãµÄÊúÖ±Ïßoy£¬ËùÒÔ»¹È±ÉÙÖØÒªÆ÷²ÄΪÖØ´¸£®
£¨3£©Ð¡ÇòÔÚˮƽ·½ÏòµÄÔ˶¯ÊÇÔÈËÙÖ±ÏßÔ˶¯£¬´ÓOµ½AºÍ´ÓAµ½Bˮƽ·½ÏòµÄλÒÆÏàͬ£¬ËùÒÔ¾­ÀúµÄʱ¼äÏàµÈ£®
ÔÚÊúÖ±·½ÏòÉÏÓУº¡÷h=gT2£¬ÆäÖС÷h=2¡Á0.2=0.4m£¬´úÈëÇóµÃ£ºt=0.2s£®
ˮƽ·½ÏòÔÈËÙÔ˶¯£¬ÓУºs=v0t£¬Ñ¡OA¶Î£ºÆäÖÐs=3¡Á0.2m=0.6m£¬t=T=0.2s£¬´úÈë½âµÃ£ºv0=3m/s£®
ÊúÖ±·½ÏòÉÏÔȼÓËÙÔ˶¯£¬¸ù¾ÝÖмäʱ¿ÌµÄ˲ʱËٶȵÈÓÚÕâ¶Îʱ¼äÄÚµÄƽ¾ùËٶȣ¬ÔòСÇòÔ˶¯µ½AµãʱÊúÖ±·½ÏòÉϵÄËÙ¶ÈVy=
yOB
2T
=
8¡Á0.2
2¡Á0.2
m/s=4m/s
£®
¸ù¾ÝVy=gt£¬µÃt=
vy
g
=
4
10
s=0.4s
£¬
ÔòOµãÔÚÊúÖ±·½ÏòµÄËÙ¶ÈVOy=Vy-gt=4-10¡Á0.2=2m/s£¬¼´Oµã²»ÊÇСÇò×öƽÅ×Ô˶¯µÄÆðµã£®
AµãµÄËÙ¶ÈVA=
v02+Vy
=
32+42
m/s=5m/s

¹Ê´ð°¸Îª£º£¨1£©ACD£»£¨2£©ÖØ´¸£»£¨3£©²»ÊÇ£»ÏàµÈ£»0.2£»3£»4£»0.4£»5£®
µãÆÀ£º¶ÔÓÚƽÅ×Ô˶¯ÎÊÌ⣬һ¶¨Ã÷È·ÆäˮƽºÍÊúÖ±·½ÏòÔ˶¯Ìص㣬ÓÈÆäÊÇÔÚÊúÖ±·½ÏòÊìÁ·Ó¦ÓÃÔȱäËÙÖ±ÏßÔ˶¯µÄ¹æÂɺÍÍÆÂÛ½âÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©Ä³Í¬Ñ§ÀûÓÃÈçͼ1ËùʾµÄʵÑé×°ÖÃÀ´¡°ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ»úеÄÜÊغ㡱£®
¢ÙÇëÍêÉÆÒÔÏÂʵÑé²½Ö裺
a£®ÓÃÓα꿨³ß²âÕÚ¹âÌõµÄ¿í¶È£¬¶à´Î²âÁ¿È¡Æ½¾ùÖµL£»
b£®ÊµÑéʱ£¬ÏȽÓͨÆøÔ´£¬ÔÙµ÷½ÚÆøµæµ¼¹ì£¬Ê¹µ¼¹ì´¦ÓÚˮƽλÖã»
c£®½«»¬¿é´ÓͼʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ä¡÷t£»
d£®¼ÆËã³ö»¬¿éͨ¹ý¹âµçÃŵÄËÙ¶Èv=
 
£¨ÓÃÉÏÊö²âÁ¿³öµÄÎïÀíÁ¿±íʾ£©£®
¢ÚʵÑéÖл¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓУº¹³ÂëµÄÖÊÁ¿m¡¢
 
ºÍ
 
£¨ÓÃÎÄ×Ö˵Ã÷ºÍÏàÓ¦×Öĸ±íʾ£©£®
¢Û±¾ÊµÑéͨ¹ý±È½Ï
 
ºÍ
 
£¬ÔÚʵÑéÎó²îÔÊÐíµÄ·¶Î§ÄÚÏàµÈ£¨ÓòâÁ¿µÄÎïÀíÁ¿·ûºÅ±íʾ£©£¬´Ó¶øÑéÖ¤ÁËϵͳµÄ»úеÄÜÊغ㣮
¾«Ó¢¼Ò½ÌÍø
£¨2£©Ä³Í¬Ñ§Ïë²âÁ¿Ä³µ¼µçÈÜÒºµÄµç×èÂÊ£¬ÏÈÔÚÒ»¸ù¾ùÔȵij¤²£Á§¹ÜÁ½¶Ë¸÷×°ÁËÒ»¸öµç¼«£¨½Ó´¥µç×è²»¼Æ£©£¬Á½µç¼«Ïà¾àL=0.700m£¬Æä¼ä³äÂú´ý²âµÄµ¼µçÈÜÒº£®ÓÃÈçÏÂÆ÷²Ä½øÐвâÁ¿£º
µçѹ±í£¨Á¿³Ìl5V£¬ÄÚ×èÔ¼30k¦¸£©£»     µçÁ÷±í£¨Á¿³Ì300¦ÌA£¬ÄÚÔ¼50¦¸£©£»
»¬¶¯±ä×èÆ÷£¨10¦¸£¬1A£©£»              µç³Ø×飨µç¶¯ÊÆE=12V£¬ÄÚ×èr=6¦¸£©£»
µ¥µ¶µ¥ÖÀ¿ª¹ØÒ»¸ö¡¢µ¼ÏßÈô¸É£®
ϱíÊDzâÁ¿Í¨¹ý¹ÜÖе¼µçÒºÖùµÄµçÁ÷¼°Á½¶ËµçѹµÄʵÑéÊý¾Ý£®ÊµÑéÖÐÓÃ20·Ö¶ÈµÄÓα꿨³ß²âÁ¿Á˲£Á§¹ÜµÄÄÚ¾¶£¬½á¹ûÈçͼ3Ëùʾ£®
U/V 0 1.0 3.0 5.0 7.0 9.0 11.0
I/¦ÌA 0 22 65 109 155 175 240
¸ù¾ÝÒÔÉÏËùÊöÇë»Ø´ðÏÂÃæµÄÎÊÌ⣺
¢Ù²£Á§¹ÜÄÚ¾¶d=
 
mm£®
¢ÚÇëÔÚͼ2Öв¹»­³öδÁ¬½ÓµÄµ¼Ïߣ®
¢Û¸ù¾Ý±íÊý¾ÝÔÚͼ4×ø±êÖÐÒÑÃèµã£¬Çë×÷³öU-IͼÏó£¬ÓÉͼÏóÇó³öµç×èR=
 
¦¸£¨½á¹û±£Áô2λÓÐЧÊý×Ö£©£®
¢Ü¼ÆËã¸Ãµ¼µçÈÜÒºµÄµç×èÂʱí´ïʽÊÇ£º¦Ñ=
 
 £¨ÓÃR¡¢d¡¢L±íʾ£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£ºÌì½òÊÐÌì½òÒ»ÖÐ2012½ì¸ßÈý4ÔÂÔ¿¼ÎïÀíÊÔÌâ ÌâÐÍ£º058

(1)ÈçͼËùʾ£¬abcdΪµ¥ÔѾØÐÎÏßȦ£¬±ß³¤ab£½10 cm£¬bc£½20 cm£®¸ÃÏßȦµÄÒ»°ëλÓÚ¾ßÓÐÀíÏë±ß½ç¡¢´Å¸ÐӦǿ¶ÈΪ0.1T¡¢¿íΪ20 cmµÄÔÈÇ¿´Å³¡ÖУ¬´Å³¡·½ÏòÓëÏßȦƽÃæ´¹Ö±£®ÈôÏßȦÈÆͨ¹ýab±ßµÄÖáÒÔ100p rad/sµÄ½ÇËÙ¶ÈÔÈËÙÐýת£¬µ±ÏßȦÓÉͼʾλÖÃת¹ý90° ʱµÄ˲ʱ¸ÐÓ¦µç¶¯ÊÆ´óСΪ________V£®

(2)ijͬѧÀûÓÃÈçͼ¼×ËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®

(¢ñ)ÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦Ã÷ÏÔ´íÎó»ò²»µ±£º

¢Ù________£»

¢Ú________£®

(¢ò)¸Ãͬѧ¾­ÕýÈ·²Ù×÷µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸öµãA¡¢B¡¢C¡¢D¡¢E¡¢FΪ¼ÆÊýµã£¬²âµÃµãAµ½B¡¢C¡¢D¡¢E¡¢FµÄ¾àÀë·Ö±ðΪh1¡¢h2¡¢h3¡¢h4¡¢h5£¬Èô´òµãµÄʱ¼ä¼ä¸ôΪT£¬Ôò´òEµãʱÖØÎïËٶȵıí´ïʽΪvE£½________£®

(3)¶¬¡¢´º¼¾½Ú½µË®Á¿ÉÙ£¬¹ã¶«Ñغ£¸½½üˮλ½ÏµÍ£¬Õdz±Ê±º£Ë®µ¹¹à³öÏÖËùνÏ̳±ÏÖÏó£¬Ê¹Ñغ£µØÇøµÄ³ÇÊÐ×ÔÀ´Ë®ÖеÄÀë×ÓŨ¶È½Ï¸ß£¬Ë®ÖÊÊܵ½Ó°Ï죬ΪÁËÑо¿Ï̳±³öÏֵĹæÂÉ£¬Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö¼à²âºÓË®µç×èÂʵÄʵÑ飮ËüÔÚÒ»¸ù¾ùÔȵij¤²£Á§¹ÜÁ½¶Ë×°ÉÏÁ½¸öÏð½ºÈûºÍ²¬µç¼«£¬ÈçÏÂͼ(1)Ëùʾ£¬Á½µç¼«Ïà¾àL£½0.314 m£¬Æä¼ä³äÂú´ý²âµÄºÓË®£®°²×°Ç°ËûÓÃÈçÏÂͼ(2)µÄÓα꿨³ß(ͼΪ¿¨³ßµÄ±³Ãæ)²âÁ¿²£Á§¹ÜµÄÄÚ¾¶£¬½á¹ûÈçÏÂͼ(3)Ëùʾ£®

Ëû»¹Ñ¡ÓÃÁËÒÔÏÂÒÇÆ÷£ºÁ¿³Ì15 V¡¢ÄÚ×è300 k¦¸µÄµçѹ±í£¬Á¿³Ì300¦ÌA¡¢ÄÚ×è50 ¦¸µÄµçÁ÷±í£¬×î´ó×èֵΪ1 k¦¸µÄ»¬¶¯±ä×èÆ÷£¬µç¶¯ÊÆE£½12 V¡¢ÄÚ×èr£½6¦¸µÄµç³Ø×飬¿ª¹ØµÈ¸÷Ò»¸ö£¬ÒÔ¼°µ¼ÏßÈô¸É£®ÏÂͼ(4)×ø±êÖаüÀ¨×ø±êΪ(0£¬0)µÄµãÔÚÄÚµÄ9¸öµã±íʾËû²âµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ£®

¸ù¾ÝÒÔÉϲÄÁÏÍê³ÉÒÔÏÂÎÊÌ⣺

(a)²âÁ¿²£Á§¹ÜÄÚ¾¶Ê±£¬Ó¦½«ÉÏͼ(2)ÖеÄÓα꿨³ßµÄA¡¢B¡¢CÈý²¿·ÖÖеÄ________Óë²£Á§¹ÜÄÚ±Ú½Ó´¥(Ìî´úºÅ)£»

(b)²£Á§¹ÜµÄÄÚ¾¶d£½________mm£»

(c)ͼ(4)ÖеÄ9¸öµã±íʾʵÑéÖвâµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ£¬ÊÔд³ö¸ù¾Ý´ËͼÇóRÖµµÄ²½Ö裺________£®

(d)ÉÏͼ(5)ÖеÄʵÎïÒÇÆ÷²¿·ÖÒÑÁ¬Ïߣ¬½«ÆäËû²¿·ÖÁ¬½Ó³ÉÄܲâ³öÉÏͼ(4)Êý¾ÝµÄʵÎïÁ¬½Óͼ£»

(e)¿ªÍ·±ÕºÏÇ°»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦ÏÈ»¬ÖÁ________¶Ë£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨18·Ö£©

£¨1£©ÈçͼËùʾ£¬abcdΪµ¥ÔѾØÐÎÏßȦ£¬±ß³¤ab£½10cm£¬bc£½20cm¡£¸ÃÏßȦµÄÒ»°ëλÓÚ¾ßÓÐÀíÏë±ß½ç¡¢´Å¸ÐӦǿ¶ÈΪ0.1T¡¢¿íΪ20cmµÄÔÈÇ¿´Å³¡ÖУ¬´Å³¡·½ÏòÓëÏßȦƽÃæ´¹Ö±¡£ÈôÏßȦÈÆͨ¹ýab±ßµÄÖáÒÔ100p rad/sµÄ½ÇËÙ¶ÈÔÈËÙÐýת£¬µ±ÏßȦÓÉͼʾλÖÃת¹ý90¡ãʱµÄ˲ʱ¸ÐÓ¦µç¶¯ÊÆ´óСΪ___________V¡£

£¨2£©Ä³Í¬Ñ§ÀûÓÃÈçͼ¼×ËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®

£¨I£©ÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦Ã÷ÏÔ´íÎó»ò²»µ±£º

¢Ù                                             £»

¢Ú                                             ¡£

£¨II£©¸Ãͬѧ¾­ÕýÈ·²Ù×÷µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸öµãA¡¢B¡¢C¡¢D¡¢E¡¢FΪ¼ÆÊýµã£¬²âµÃµãAµ½B¡¢C¡¢D¡¢E¡¢FµÄ¾àÀë·Ö±ðΪh1¡¢h2¡¢h3¡¢h4¡¢h5£¬Èô´òµãµÄʱ¼ä¼ä¸ôΪT£¬Ôò´òEµãʱÖØÎïËٶȵıí´ïʽΪvE=         

£¨3£©¶¬¡¢´º¼¾½Ú½µË®Á¿ÉÙ£¬¹ã¶«Ñغ£¸½½üˮλ½ÏµÍ£¬Õdz±Ê±º£Ë®µ¹¹à³öÏÖËùνÏ̳±ÏÖÏó£¬Ê¹Ñغ£µØÇøµÄ³ÇÊÐ×ÔÀ´Ë®ÖеÄÀë×ÓŨ¶È½Ï¸ß£¬Ë®ÖÊÊܵ½Ó°Ï죬ΪÁËÑо¿Ï̳±³öÏֵĹæÂÉ£¬Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö¼à²âºÓË®µç×èÂʵÄʵÑé¡£ËüÔÚÒ»¸ù¾ùÔȵij¤²£Á§¹ÜÁ½¶Ë×°ÉÏÁ½¸öÏð½ºÈûºÍ²¬µç¼«£¬ÈçÏÂͼ(1)Ëùʾ£¬Á½µç¼«Ïà¾àL=0.314m£¬Æä¼ä³äÂú´ý²âµÄºÓË®¡£°²×°Ç°ËûÓÃÈçÏÂͼ(2)µÄÓα꿨³ß£¨Í¼Îª¿¨³ßµÄ±³Ã棩²âÁ¿²£Á§¹ÜµÄÄÚ¾¶£¬½á¹ûÈçÏÂͼ(3)Ëùʾ¡£

Ëû»¹Ñ¡ÓÃÁËÒÔÏÂÒÇÆ÷£ºÁ¿³Ì15V¡¢ÄÚ×è300k¦¸µÄµçѹ±í£¬Á¿³Ì300¦ÌA¡¢ÄÚ×è50¦¸µÄµç

Á÷±í£¬×î´ó×èֵΪ1k¦¸µÄ»¬¶¯±ä×èÆ÷£¬µç¶¯ÊÆE=12V¡¢ÄÚ×èr=6¦¸µÄµç³Ø×飬¿ª¹ØµÈ¸÷Ò»¸ö£¬ÒÔ¼°µ¼ÏßÈô¸É¡£ÏÂͼ(4)×ø±êÖаüÀ¨×ø±êΪ£¨0£¬0£©µÄµãÔÚÄÚµÄ9¸öµã±íʾËû²âµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ¡£

¸ù¾ÝÒÔÉϲÄÁÏÍê³ÉÒÔÏÂÎÊÌ⣺

£¨a£©²âÁ¿²£Á§¹ÜÄÚ¾¶Ê±£¬Ó¦½«ÉÏͼ(2)ÖеÄÓα꿨³ßµÄA¡¢B¡¢CÈý²¿·ÖÖеÄ__________________Óë²£Á§¹ÜÄÚ±Ú½Ó´¥£¨Ìî´úºÅ£©£»

£¨b£©²£Á§¹ÜµÄÄÚ¾¶d=___________mm£»

£¨c£©Í¼(4)ÖеÄ9¸öµã±íʾʵÑéÖвâµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ£¬ÊÔд³ö¸ù¾Ý´ËͼÇóRÖµµÄ²½Ö裺

                                                                     

                                                                     

£¨d£©ÉÏͼ(5)ÖеÄʵÎïÒÇÆ÷²¿·ÖÒÑÁ¬Ïߣ¬½«ÆäËû²¿·ÖÁ¬½Ó³ÉÄܲâ³öÉÏͼ(4)Êý¾ÝµÄʵÎïÁ¬½Óͼ£»

£¨e£©¿ªÍ·±ÕºÏÇ°»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦ÏÈ»¬ÖÁ___________¶Ë¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012½ìÌì½òÊеÚÒ»ÖÐѧ¸ßÈý4ÔÂÔ¿¼ÎïÀíÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÊµÑéÌâ

£¨18·Ö£©
£¨1£©ÈçͼËùʾ£¬abcdΪµ¥ÔѾØÐÎÏßȦ£¬±ß³¤ab£½10cm£¬bc£½20cm¡£¸ÃÏßȦµÄÒ»°ëλÓÚ¾ßÓÐÀíÏë±ß½ç¡¢´Å¸ÐӦǿ¶ÈΪ0.1T¡¢¿íΪ20cmµÄÔÈÇ¿´Å³¡ÖУ¬´Å³¡·½ÏòÓëÏßȦƽÃæ´¹Ö±¡£ÈôÏßȦÈÆͨ¹ýab±ßµÄÖáÒÔ100p rad/sµÄ½ÇËÙ¶ÈÔÈËÙÐýת£¬µ±ÏßȦÓÉͼʾλÖÃת¹ý90¡ãʱµÄ˲ʱ¸ÐÓ¦µç¶¯ÊÆ´óСΪ___________V¡£

£¨2£©Ä³Í¬Ñ§ÀûÓÃÈçͼ¼×ËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®
£¨I£©ÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦Ã÷ÏÔ´íÎó»ò²»µ±£º
¢Ù                                             £»
¢Ú                                             ¡£
£¨II£©¸Ãͬѧ¾­ÕýÈ·²Ù×÷µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸öµãA¡¢B¡¢C¡¢D¡¢E¡¢FΪ¼ÆÊýµã£¬²âµÃµãAµ½B¡¢C¡¢D¡¢E¡¢FµÄ¾àÀë·Ö±ðΪh1¡¢h2¡¢h3¡¢h4¡¢h5£¬Èô´òµãµÄʱ¼ä¼ä¸ôΪT£¬Ôò´òEµãʱÖØÎïËٶȵıí´ïʽΪvE=         

£¨3£©¶¬¡¢´º¼¾½Ú½µË®Á¿ÉÙ£¬¹ã¶«Ñغ£¸½½üˮλ½ÏµÍ£¬Õdz±Ê±º£Ë®µ¹¹à³öÏÖËùνÏ̳±ÏÖÏó£¬Ê¹Ñغ£µØÇøµÄ³ÇÊÐ×ÔÀ´Ë®ÖеÄÀë×ÓŨ¶È½Ï¸ß£¬Ë®ÖÊÊܵ½Ó°Ï죬ΪÁËÑо¿Ï̳±³öÏֵĹæÂÉ£¬Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö¼à²âºÓË®µç×èÂʵÄʵÑé¡£ËüÔÚÒ»¸ù¾ùÔȵij¤²£Á§¹ÜÁ½¶Ë×°ÉÏÁ½¸öÏð½ºÈûºÍ²¬µç¼«£¬ÈçÏÂͼ(1)Ëùʾ£¬Á½µç¼«Ïà¾àL=0.314m£¬Æä¼ä³äÂú´ý²âµÄºÓË®¡£°²×°Ç°ËûÓÃÈçÏÂͼ(2)µÄÓα꿨³ß£¨Í¼Îª¿¨³ßµÄ±³Ã棩²âÁ¿²£Á§¹ÜµÄÄÚ¾¶£¬½á¹ûÈçÏÂͼ(3)Ëùʾ¡£
Ëû»¹Ñ¡ÓÃÁËÒÔÏÂÒÇÆ÷£ºÁ¿³Ì15V¡¢ÄÚ×è300k¦¸µÄµçѹ±í£¬Á¿³Ì300¦ÌA¡¢ÄÚ×è50¦¸µÄµç
Á÷±í£¬×î´ó×èֵΪ1k¦¸µÄ»¬¶¯±ä×èÆ÷£¬µç¶¯ÊÆE=12V¡¢ÄÚ×èr=6¦¸µÄµç³Ø×飬¿ª¹ØµÈ¸÷Ò»¸ö£¬ÒÔ¼°µ¼ÏßÈô¸É¡£ÏÂͼ(4)×ø±êÖаüÀ¨×ø±êΪ£¨0£¬0£©µÄµãÔÚÄÚµÄ9¸öµã±íʾËû²âµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ¡£

¸ù¾ÝÒÔÉϲÄÁÏÍê³ÉÒÔÏÂÎÊÌ⣺
£¨a£©²âÁ¿²£Á§¹ÜÄÚ¾¶Ê±£¬Ó¦½«ÉÏͼ(2)ÖеÄÓα꿨³ßµÄA¡¢B¡¢CÈý²¿·ÖÖеÄ__________________Óë²£Á§¹ÜÄÚ±Ú½Ó´¥£¨Ìî´úºÅ£©£»
£¨b£©²£Á§¹ÜµÄÄÚ¾¶d=___________mm£»
£¨c£©Í¼(4)ÖеÄ9¸öµã±íʾʵÑéÖвâµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ£¬ÊÔд³ö¸ù¾Ý´ËͼÇóRÖµµÄ²½Ö裺
                                                                     
                                                                     
£¨d£©ÉÏͼ(5)ÖеÄʵÎïÒÇÆ÷²¿·ÖÒÑÁ¬Ïߣ¬½«ÆäËû²¿·ÖÁ¬½Ó³ÉÄܲâ³öÉÏͼ(4)Êý¾ÝµÄʵÎïÁ¬½Óͼ£»
£¨e£©¿ªÍ·±ÕºÏÇ°»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦ÏÈ»¬ÖÁ___________¶Ë¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêÌì½òÊиßÈý4ÔÂÔ¿¼ÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

£¨18·Ö£©

£¨1£©ÈçͼËùʾ£¬abcdΪµ¥ÔѾØÐÎÏßȦ£¬±ß³¤ab£½10cm£¬bc£½20cm¡£¸ÃÏßȦµÄÒ»°ëλÓÚ¾ßÓÐÀíÏë±ß½ç¡¢´Å¸ÐӦǿ¶ÈΪ0.1T¡¢¿íΪ20cmµÄÔÈÇ¿´Å³¡ÖУ¬´Å³¡·½ÏòÓëÏßȦƽÃæ´¹Ö±¡£ÈôÏßȦÈÆͨ¹ýab±ßµÄÖáÒÔ100p rad/sµÄ½ÇËÙ¶ÈÔÈËÙÐýת£¬µ±ÏßȦÓÉͼʾλÖÃת¹ý90¡ãʱµÄ˲ʱ¸ÐÓ¦µç¶¯ÊÆ´óСΪ___________V¡£

£¨2£©Ä³Í¬Ñ§ÀûÓÃÈçͼ¼×ËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®

£¨I£©ÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦Ã÷ÏÔ´íÎó»ò²»µ±£º

¢Ù                                              £»

¢Ú                                              ¡£

£¨II£©¸Ãͬѧ¾­ÕýÈ·²Ù×÷µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸öµãA¡¢B¡¢C¡¢D¡¢E¡¢FΪ¼ÆÊýµã£¬²âµÃµãAµ½B¡¢C¡¢D¡¢E¡¢FµÄ¾àÀë·Ö±ðΪh1¡¢h2¡¢h3¡¢h4¡¢h5£¬Èô´òµãµÄʱ¼ä¼ä¸ôΪT£¬Ôò´òEµãʱÖØÎïËٶȵıí´ïʽΪvE=         

£¨3£©¶¬¡¢´º¼¾½Ú½µË®Á¿ÉÙ£¬¹ã¶«Ñغ£¸½½üˮλ½ÏµÍ£¬Õdz±Ê±º£Ë®µ¹¹à³öÏÖËùνÏ̳±ÏÖÏó£¬Ê¹Ñغ£µØÇøµÄ³ÇÊÐ×ÔÀ´Ë®ÖеÄÀë×ÓŨ¶È½Ï¸ß£¬Ë®ÖÊÊܵ½Ó°Ï죬ΪÁËÑо¿Ï̳±³öÏֵĹæÂÉ£¬Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö¼à²âºÓË®µç×èÂʵÄʵÑé¡£ËüÔÚÒ»¸ù¾ùÔȵij¤²£Á§¹ÜÁ½¶Ë×°ÉÏÁ½¸öÏð½ºÈûºÍ²¬µç¼«£¬ÈçÏÂͼ(1)Ëùʾ£¬Á½µç¼«Ïà¾àL=0.314m£¬Æä¼ä³äÂú´ý²âµÄºÓË®¡£°²×°Ç°ËûÓÃÈçÏÂͼ(2)µÄÓα꿨³ß£¨Í¼Îª¿¨³ßµÄ±³Ã棩²âÁ¿²£Á§¹ÜµÄÄÚ¾¶£¬½á¹ûÈçÏÂͼ(3)Ëùʾ¡£

Ëû»¹Ñ¡ÓÃÁËÒÔÏÂÒÇÆ÷£ºÁ¿³Ì15V¡¢ÄÚ×è300k¦¸µÄµçѹ±í£¬Á¿³Ì300¦ÌA¡¢ÄÚ×è50¦¸µÄµç

Á÷±í£¬×î´ó×èֵΪ1k¦¸µÄ»¬¶¯±ä×èÆ÷£¬µç¶¯ÊÆE=12V¡¢ÄÚ×èr=6¦¸µÄµç³Ø×飬¿ª¹ØµÈ¸÷Ò»¸ö£¬ÒÔ¼°µ¼ÏßÈô¸É¡£ÏÂͼ(4)×ø±êÖаüÀ¨×ø±êΪ£¨0£¬0£©µÄµãÔÚÄÚµÄ9¸öµã±íʾËû²âµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ¡£

¸ù¾ÝÒÔÉϲÄÁÏÍê³ÉÒÔÏÂÎÊÌ⣺

£¨a£©²âÁ¿²£Á§¹ÜÄÚ¾¶Ê±£¬Ó¦½«ÉÏͼ(2)ÖеÄÓα꿨³ßµÄA¡¢B¡¢CÈý²¿·ÖÖеÄ__________________Óë²£Á§¹ÜÄÚ±Ú½Ó´¥£¨Ìî´úºÅ£©£»

£¨b£©²£Á§¹ÜµÄÄÚ¾¶d=___________mm£»

£¨c£©Í¼(4)ÖеÄ9¸öµã±íʾʵÑéÖвâµÃµÄ9×éµçÁ÷I¡¢µçѹUµÄÖµ£¬ÊÔд³ö¸ù¾Ý´ËͼÇóRÖµµÄ²½Ö裺

                                                                     

                                                                     

£¨d£©ÉÏͼ(5)ÖеÄʵÎïÒÇÆ÷²¿·ÖÒÑÁ¬Ïߣ¬½«ÆäËû²¿·ÖÁ¬½Ó³ÉÄܲâ³öÉÏͼ(4)Êý¾ÝµÄʵÎïÁ¬½Óͼ£»

£¨e£©¿ªÍ·±ÕºÏÇ°»¬¶¯±ä×èÆ÷µÄ»¬Æ¬Ó¦ÏÈ»¬ÖÁ___________¶Ë¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸