ijͬѧ×ö¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±ÊµÑé×°ÖÃÈçͼËùʾ¡£

£¨1£©ÔÚ×ö¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±ÊµÑéʱ£¬³ýÁ˵ç´Å´òµã¼ÆʱÆ÷¡¢Ìú¼Ų̈¡¢ÖØ´¸¡¢Ö½´ø¡¢¸´Ð´Ö½¡¢µÍѹ½»Á÷µçÔ´Ö®Í⣬»¹ÐèÒªÏÂÁÐÆ÷²ÄÖеÄÄÄÒ»¸ö         £¨ÌîÑ¡Ïî×Öĸ£©¡£
A£®Ãë±í     B£®Ììƽ   C£®¿Ì¶È³ß     D£®µ¯»É³Ó
£¨2£©°´ÕÕͼ8ËùʾµÄ×°Öð²×°Æ÷²Ä½øÐÐʵÑ飬ÏÂÃæÁоٵÄËĸöѧÉú²Ù×÷²½ÖèÖÐÖ»ÓÐÁ½¸öÊÇÕýÈ·µÄ£¬Ñ¡Ôñ³öÀ´ÌîÔÚºáÏßÉÏ        £¨ÌîÑ¡Ïî×Öĸ£©¡£
A£®½«´òµã¼ÆʱÆ÷½Óµ½µçÔ´µÄÖ±Á÷Êä³ö¶ËÉÏ
B£®ÊµÑéÇ°£¬ÊÖÓ¦Ìáסֽ´øÉ϶ˣ¬²¢Ê¹Ö½´øÊúÖ±£¬ÖØÎïÓ¦Ô¶Àë´òµã¼ÆʱÆ÷
C£®ÏȽÓͨµçÔ´£¬ºóÊÍ·ÅÖ½´ø
D£®Ñ¡È¡µã¼£ÇåÎúµÄÇÒµÚÒ»¡¢¶þÁ¬ÐøÁ½µã¼äµÄ¾àÀëԼΪ2mmµÄÖ½´ø
£¨3£©Ò»°ãÇé¿öÏÂÎïÌ嶯ÄܵÄÔö¼ÓÁ¿Ð¡ÓÚÖØÁ¦ÊÆÄܵļõÉÙÁ¿¡£ÄãÈÏΪ£¬²úÉúÕâÖÖ½á¹ûµÄÒ»¸ö¿ÉÄÜÔ­ÒòÊÇ         ¡££¨ÌîÑ¡Ïî×Öĸ£©
A£®ÖØÎïµÄÖÊÁ¿¹ý´ó                B£®ÖØÎïµÄÌå»ý¹ýС 
C£®µçÔ´µÄµçѹƫµÍ                D£®ÖØÎï¼°Ö½´øÔÚÏÂÂäʱÊܵ½×èÁ¦

£¨1£©C£¨2£©C¡¢D£¨3£©D

½âÎöÊÔÌâ·ÖÎö£º£¨1£©ÒòΪ´òµã¼ÆʱÆ÷Ϊ¼Æʱ¹¤¾ß£¬ËùÒÔ²»ÓÃÃë±í£¬ÔÚ¼ÆËã¹ý³ÌÖеÈʽÁ½±ßµÄÖÊÁ¿ÏûÈ¥£¬²»ÓÃÌìƽ£¬ÐèÒª²âÁ¿Ö½´øÉÏÁ½µã¼äµÄ¾àÀ룬ËùÒÔÐèÒª¿Ì¶È³ß£¬ÊµÑé¹ý³ÌÖв»ÐèÒª²âÁ¿Á¦µÄ´óС£¬¹ÊÑ¡C
£¨2£©´òµã¼ÆʱÆ÷¶¼ÊÇʹÓõĽ»Á÷µç£¬A´íÎó£»ÊµÑéʱ£¬ÖØÎïÓ¦¿¿½ü´øµã¼ÆʱÆ÷£¬ÕâÑù¿ÉÒÔ´ò³ö¸ü¶àµÄµã£¬µÃµ½¸ü¶àµÄÐÅÏ¢£¬B´íÎó£»Ó¦ÏȽÓͨµçÔ´£¬´ý´òµãÎȶ¨ºóÔÙÊÍ·ÅÖ½´ø£¬ÕâÑù¿ÉÒÔÔÙÖ½´øÉϾ¡Á¿¶àµÄ´òµã£¬Ìṩֽ´øÀûÓÃÂÊ£¬CÕýÈ·£»ÒòΪ£¬ËùÒÔÑ¡Óõ㼣ÇåÎúÇÒ1¡¢2Á½µã¼ä¾àԼΪ2mmµÄÖ½´ø£®DÕýÈ·
£¨3£©ÊµÑéʱ´æÔÚ¿ÕÆø×èÁ¦¡¢Ö½´øÓë´òµã¼ÆʱÆ÷µÄÏÞλ¿×ÓÐĦ²Á×èÁ¦µÈ£¬¹ÊÑ¡D
¿¼µã£º¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±ÊµÑé

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ijͬѧҪ²âÁ¿Ò»¾ùÔÈвÄÁÏÖƳɵÄÔ²ÖùÌåµÄ³¤¶ÈºÍÖ±¾¶¡£
£¨1£©ÓÃÓαêΪ20·Ö¶ÈµÄ¿¨³ß²âÁ¿Æ䳤¶ÈÈçͼ£¬ÓÉͼ¿ÉÖªÆ䳤¶ÈΪ             mm£»

£¨2£©ÓÃÂÝÐý²â΢Æ÷²âÁ¿ÆäÖ±¾¶ÈçÓÒÉÏͼ£¬ÓÉͼ¿ÉÖªÆäÖ±¾¶Îª                   mm£»

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÈçͼËùʾΪÓôòµã¼ÆʱÆ÷ÑéÖ¤»úеÄÜÊغ㶨ÂɵÄʵÑé×°Ö᣹ØÓÚÕâһʵÑ飬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨    £©

A£®´òµã¼ÆʱÆ÷Ó¦½ÓµÍѹֱÁ÷µçÔ´B£®ÐèʹÓÃÃë±í²â³öÖØÎïÏÂÂäµÄʱ¼ä
C£®²âÁ¿ÎïÌåÏÂÂä¸ß¶ÈʱÖØÎïÏÂÂäµÄʱ¼äD£®Ó¦ÏȽÓͨµçÔ´´òµã£¬ºóÊÍ·ÅÖ½´ø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨1£©ÔÚÑо¿Æ½Å×Ô˶¯µÄʵÑéÖУ¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ        £¨ÓÃǦ±ÊÍ¿ÔÚÏàӦλÖã©¡£
A. ±ØÐë³Æ³öСÇòµÄÖÊÁ¿       
B. б²Û¹ìµÀÄ©¶Ë±ØÐëÊÇˮƽµÄ
C. б²Û¹ìµÀ±ØÐëÊǹ⻬µÄ     
D. Ó¦¸ÃʹСÇòÿ´Î´Óб²ÛÉϲ»Í¬Î»ÖôӾ²Ö¹¿ªÊ¼»¬ÏÂ
£¨2£©ÏÂͼΪ¼×ͬѧÃè»æµÄƽÅ×Ô˶¯¹ì¼££¬OΪÅ׳öµã£¬°´Í¼ÉϵÄÊý¾Ý£¬ÇóµÃСÇòµÄ³õËÙ¶Èv0=______m/s.£¨È¡g=10m/s2£©
£¨3£©ÒÒͬѧÔÚÑо¿Æ½Å×Ô˶¯Ê±Ö»ÔÚÊúÖ±°åÃæÉϼÇÏÂÁËÖØ´¸ÏßyµÄ·½Ïò£¬µ«ÍüÁ˼ÇÏÂƽÅ׵ijõλÖã¬ÔÚ×ø±êÖ½ÉÏÃè³öÁËÒ»¶ÎÇúÏߵĹ켣£¬ÈçÓÒÉÏͼËùʾ£¬ÔÚÇúÏßÉÏÈ¡A¡¢BÁ½µãÁ¿³öËüÃǵ½yÖáµÄ¾àÀ룬µÄ¾àÀ룬µÄ¾àÀ룬ÒÔ¼°ABµÄÊúÖ±¾àÀ룬ÓÃÕâЩ¿ÉÒÔÇóµÃСÇòƽÅ×ʱ³õËÙ¶ÈΪ_______m/s.£¨È¡g=10m/s2£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÔÚ¡°Ãè»æСµçÖéµÄ·ü°²ÌØÐÔÇúÏß¡±µÄʵÑéÖУ¬¿É¹©Ñ¡ÔñµÄʵÑéÒÇÆ÷ÈçÏ£º

Æ÷²Ä
¹æ¸ñ
Æ÷²Ä
¹æ¸ñ
СµçÖé
±êÓС°3.0 V£¬0£®3 A¡±×ÖÑù
»¬¶¯±ä×è
Æ÷R1
×î´ó×èÖµ10 ¦¸£¬
¶î¶¨µçÁ÷1.0 A
µçѹ±í V1
Á¿³Ì3 V£¬ÄÚ×èÔ¼5 k¦¸
»¬¶¯±ä×è
Æ÷R2
×î´ó×èÖµ1 k¦¸£¬
¶î¶¨µçÁ÷0.5 A
µçѹ±íV2
Á¿³Ì15V£¬ÄÚ×èÔ¼15k¦¸
Ö±Á÷µçÔ´E
µç¶¯ÊÆԼΪ4 V£¬
ÄÚ×èԼΪ 0.5 ¦¸
µçÁ÷±í A1
Á¿³Ì0.6A£¬ÄÚ×èÔ¼1¦¸
µ¼Ïß¡¢µç¼üµÈ
µçÁ÷±í A2
Á¿³Ì3A£¬ÄÚ×èÔ¼0.6¦¸
ijͬѧ²âÁ¿Ð¡µçÖéU£­I¹ØϵµÄʵÑéÊý¾ÝÈçϱíËùʾ£º
U(V)
0.0
0.2
0.5
1.0
1.5
2.0
2.5
3.0
I(A)
0.000
0.050
0.100
0.150
0.180
0.195
0.205
0.215
£¨1£©ÔÚÉÏÊöÆ÷²ÄÖУ¬µçѹ±íӦѡ         £»µçÁ÷±íӦѡ______________£»»¬¶¯±ä×èÆ÷Ӧѡ__________¡£
£¨2£©¸ÃʵÑéӦѡÓõÄʵÑéµç·ͼÊÇ________¡£

£¨3£©¸ù¾Ý±í¸ñÖеÄʵÑéÊý¾ÝÔÚ·½¸ñÖ½ÄÚ»­³öСµçÖéµÄU£­IÇúÏߣ®·ÖÎöÇúÏß¿É֪СµçÖéµÄµç×èÖµËæI±ä´ó¶ø____________(Ñ¡Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±)£»

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÔÚ×ö¡°ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéÖУ¬ÒÑ֪ʵÑéÊÒÖÐʹÓõľƾ«ÓÍËáÈÜÒºµÄŨ¶ÈΪA£¬NµÎÈÜÒºµÄ×ÜÌå»ýΪV¡£ÔÚdzÅÌÖеÄË®ÃæÉϾùÔÈÈöÉÏðò×Ó·Û£¬½«Ò»µÎÈÜÒºµÎÔÚË®ÃæÉÏ£¬´ýÓÍĤÎȶ¨ºó£¬ÔÚ´øÓб߳¤ÎªaµÄÕý·½ÐÎС¸ñµÄ²£Á§°åÉÏÃè³öÓÍĤµÄÂÖÀª£¨ÈçͼËùʾ£©£¬²âµÃÓÍĤռÓеÄÕý·½ÐÎС¸ñ¸öÊýΪX¡£

¢ÙÓÃÒÔÉÏ×Öĸ±íʾÓÍËá·Ö×ӵĴóСd=          ¡£
¢Ú´ÓͼÖÐÊýµÃX=         ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijʵÑéС×éÓÃÖÊÁ¿Îª0.5kgµÄÖØ´¸µÄ×ÔÓÉÂäÌåÔ˶¯À´ÑéÖ¤»úеÄÜÊغ㣬°²×°ºÃÈçͼ¼×ËùʾµÄʵÑé×°ÖýøÐÐʵÑé¡£Èçͼ¼×Ëùʾ½ÓͨµçÔ´£¬¾²Ö¹ÊÍ·ÅÖØÎ´ò³öÒ»ÌõÖ½´øÈçͼÒÒËùʾ¡£Çë»Ø´ð£º£¨1£©¸ÃʵÑéÖбØÐèµÄ²âÁ¿Æ÷²ÄÊÇ       

£¨2£©Ö¸³öÉÏÊö×°Öð²×°ÖÐÒ»´¦²»ºÏÀíµÄµØ·½      ¡£
£¨3£©ÈçͼÒÒÖ½´øÉÏËùʾ£¬ÔòÖØ´¸Ô˶¯µÄ¼ÓËٶȠ   m/s2£¬ÖØ´¸´ÓOµãÔ˶¯µ½DµãµÄ¹ý³Ì£¬ÖØÁ¦ÊÆÄÜ
¼õÉÙ    J¡££¨±¾µØµÄÖØÁ¦¼ÓËÙ¶ÈgÈ¡9.8m/s2£¬¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨Ã¿¿Õ2·Ö£¬¹²8·Ö£©Ä³Í¬Ñ§ÔÚ×ö¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑé.£¨1£©²â°Ú³¤Ê±²âÁ¿½á¹ûÈçͼ10Ëùʾ£¨µ¥°ÚµÄÁíÒ»¶ËÓë¿Ì¶È³ßµÄÁã¿ÌÏ߶ÔÆ룩£¬°Ú³¤Îª      cm£»È»ºóÓÃÃë±í¼Ç¼Á˵¥°ÚÍê³É50´ÎÈ«Õñ¶¯ËùÓõÄʱ¼äΪ100s.ÔòÓõ¥°Ú²âÖØÁ¦¼ÓËٶȵù«Ê½Îª      £¨ÓÃl£¬g£¬T±íʾ£©£»²âµÃµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ       m/s2£¨±£ÁôÈýλÓÐЧÊý×Ö£©
£¨2£©Èç¹ûËû²âµÃµÄgֵƫС£¬¿ÉÄܵÄÔ­ÒòÊÇ£¨ £©

A£®°Úµ¥°ÚÇòÖÊÁ¿Ì«´ó
B£®°ÚÏßÉ϶ËδÀι̵ØϵÓÚÐüµã£¬Õñ¶¯ÖгöÏÖÁËËɶ¯£¬Ê¹°ÚÏß³¤¶ÈÔö¼ÓÁË
C£®ÓðÚÏߵij¤¶È¼ÓÉÏСÇòÖ±¾¶×÷Ϊ°Ú³¤
D£®¼Ç¼ȫÕñ¶¯´ÎÊýµÄʱºò¶àÊýÁËÒ»´Î

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÀûÓÃͼ¼×ËùʾµÄ×°Öã¬ÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®Ò»´ÎʵÑéÖУ¬ÖÊÁ¿ÎªmµÄÖØÎï×ÔÓÉÏÂÂ䣬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´ò³öһϵÁе㼣£¬ÈçͼÒÒËùʾ£ºOÊÇ´òϵĵÚÒ»¸öµã£¬È¡ÀëOµã½ÏÔ¶µÄÏàÁÚµÄÈý¸öʵ¼ÊµãA¡¢B¡¢CΪ¼ÆÊýµã£®ÒÑÖªm=1kg£¬´òµã¼ÆʱÆ÷ÿ¸ô0.02s´òÒ»¸öµã£¨gÈ¡9.8m/s2£¬½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
    
£¨1£©ÏÂÃæÁоÙÁ˸ÃʵÑéµÄ¼¸¸ö²Ù×÷²½Ö裺ÆäÖвÙ×÷²»µ±µÄ²½ÖèÊÇ       £¨ÌîÑ¡Ïî¶ÔÓ¦µÄ×Öĸ£©£®
A£®°´ÕÕͼËùʾµÄ×°Öð²×°Æ÷¼þ£»
B£®½«´òµã¼ÆʱÆ÷½Óµ½Ö±Á÷µçÔ´ÉÏ£»
C£®ÏÈÊÍ·Åm£¬ÔÙ½ÓͨµçÔ´´ò³öÒ»ÌõÖ½´ø£»
D£®²âÁ¿Ö½´øÉÏijЩµã¼äµÄ¾àÀ룻
E£®¸ù¾Ý²âÁ¿µÄ½á¹û£¬·Ö±ð¼ÆËãϵͳ¼õÉÙµÄÖØÁ¦ÊÆÄܺÍÔö¼ÓµÄ¶¯ÄÜ£®
£¨2£©ÔÚ´òµãOµ½B¹ý³ÌÖÐÎïÌåÊÆÄܵļõÉÙÁ¿Îª       J£¬¶¯ÄܵÄÔöÁ¿Îª      J.
£¨3£©ÊµÑé½áÂÛÊÇ                                       £»

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸