ijͬѧÓÃÈçÏÂ×óͼËùʾװÖÃ×ö̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤¹ØϵµÄʵÑé.ËûÏȲâ³ö²»¹ÒíÀÂëʱµ¯»É϶ËÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶È£¬È»ºóÔÚµ¯»É϶˹ÒÉÏíÀÂ룬²¢Öð¸öÔö¼ÓíÀÂ룬²â³öÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶È£¬ËùµÃÊý¾ÝÁбíÈçÏ£º£¨ÖØÁ¦¼ÓËÙ¶Èg=10m/s2£©
(1£©¸ù¾ÝËù²âÊý¾Ý£¬ÔÚ´ðÌ⿨µÄ×ø±êÖ½ÉÏ×÷³öµ¯»ÉÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶ÈxÓëíÀÂëÖÊÁ¿mµÄ¹ØϵͼÏß.



£¨2£©¸ù¾ÝÄãËùÃèµÄµã¿ÉÖª¼Ç¼¿Ï¶¨ÓÐÎÊÌâµÄÊǵڠ        ×éÊý¾Ý
£¨3£©ºÏÀíʹÓõÄÇé¿öÏ£¬ÕâÖÖ¹æ¸ñµ¯»ÉµÄ¾¢¶ÈϵÊýΪ      N/m¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©
£¨4£©°ÑÍêÈ«ÏàͬµÄÕâÑùÁ½¸ùµ¯»É´®ÁªÖ®ºóÊúÖ±Ðü¹Ò£¬Èô¹ÒÉÏ340gµÄ¹³Â룬Ôò×ÜÐαäÁ¿Îª      m£¬Ã¿¸ùµ¯»ÉµÄµ¯Á¦Îª      N¡£
(1£©

£¨2£© 4£¨3£©  23.5--26.0  N/m¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£¨4£©0.261 ---0.290£¬   3.4

ÊÔÌâ·ÖÎö£º £¨1£©±ê³ß¿Ì¶ÈxÓëíÀÂëÖÊÁ¿mµÄ¹ØϵͼÏßÈçͼËùʾ

£¨2£©ÎªÔö¼Ó100g£¬µ¯»ÉµÄÐαäÁ¿´óÖ±£³ÖÔÚ4µ½5ÀåÃ×Ö®¼ä£¬¶ø´ÓµÚÈý×éµ½µÚËÄ×飬±ä»¯Ì«´ó£¬¹ÊµÚËÄ×é¼Ç¼ÓÐÎÊÌ⣬
£¨3£©´ÓͼÏó¿ÉÒÔ¿´³öÔÚ0¡«4.9N·¶Î§ÄÚµ¯Á¦´óСÓ뵯»ÉÉ쳤¹ØϵÂú×ãºú¿Ë¶¨ÂÉ£®
¸ù¾Ýºú¿Ë¶¨Âɵãº
£¨4£©Á½Ö»µ¯»É´®ÁªÆðÀ´ºóµÄ¾¢¶ÈϵÊýΪ£¬ËùÒÔ×ÜÐαäÁ¿Îª
ºöÂÔµ¯»ÉµÄÖÊÁ¿£¬Ã¿¸öµ¯»ÉÊܵ½µÄÀ­Á¦¶¼Îª3.4N
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨10·Ö£©Ä³Í¬Ñ§ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéʱ£º
£¨1£©£¨5·Ö£©ÊµÑéÊÒÌṩÁËÏÂÁеÄʵÑéÆ÷²Ä£º
¢Ù´òµã¼ÆʱÆ÷    ¢ÚÌìƽ    ¢Ûµ¼Ïߺ͵çÔ´    ¢ÜϸÉþºÍÖ½´ø   ¢Ý¹³ÂëºÍС³µ    ¢ÞÃë±í    ¢ßÒ»¶ËÓл¬Âֵij¤Ä¾°å      ¢à¿Ì¶È³ß¡£
Ôò¸Ãͬѧ²»ÐèҪѡÓõÄÆ÷²ÄÓУ¨Ð´´úºÅ£©£º________________ 
£¨2£©£¨5·Ö£©ÔÚ¸ÃʵÑéÖУ¬Ð¡³µÍÏ×ÅÖ½´øͨ¹ý¼Ç¼ÏµÄÔ˶¯Çé¿öÈçͼËùʾ£¬Í¼ÖÐO¡¢A¡¢B¡¢C¡¢D¡¢EΪÁ¬ÐøÑ¡¶¨µÄ¼ÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôÊÇ0.10s£¬±ê³öµÄÊý¾Ýµ¥Î»ÊÇcm£¬ÔòÔÚ´òCµãʱС³µµÄËÙ¶ÈÊÇ______m/s¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

(1) ´òµã¼ÆʱÆ÷ÊÇʹÓÃ_____£¨Ö±Á÷µç£¬½»Á÷µç£©µçÔ´µÄÒÇÆ÷£¬Ëüÿ¸ô_______Ãë´òÒ»´Îµã¡£
(2)¸ù¾Ý´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬ÎÒÃÇ¿ÉÒÔÖ±½ÓµÃµ½µÄÎïÀíÁ¿ÊÇ_______
A£®Ê±¼ä¼ä¸ô                     B£®Î»ÒÆ       C£®Ë²Ê±ËٶȠ                    D£®Æ½¾ùËÙ¶È
(3)½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ_______
A£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´  
B£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯
C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´  
D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ijͬѧÓÃÓαêΪ20·Ö¶ÈµÄ¿¨³ß²âÁ¿Ò»±¡½ðÊôÔ²°åµÄÖ±¾¶D£¬ÓÃÂÝÐý²â΢Æ÷²âÁ¿Æäºñ¶Èd£¬Ê¾ÊýÈçͼËùʾ¡£ÓÉͼ¿É¶Á³öD=________cm£¬d=________cm¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©ÀûÓôòµã¼ÆʱÆ÷ºÍÈçͼµÄÆäËûÆ÷²Ä¿ÉÒÔ¿ªÕ¹¶àÏî
ʵÑé̽¾¿£¬ÆäÖ÷Òª²½ÖèÈçÏ£º
a¡¢°´×°Öð²×°ºÃÆ÷²Ä²¢Á¬ºÃµç·.
b¡¢½ÓͨµçÔ´£¬ÊÍ·ÅÖ½´ø£¬ÈÃÖØ´¸Óɾ²Ö¹¿ªÊ¼×ÔÓÉÏÂÂä.
c¡¢¹Ø±ÕµçÔ´£¬È¡³öÖ½´ø, ¸ü»»Ö½´øÖظ´²½Öèb£¬´ò³ö¼¸ÌõÖ½´ø.
d¡¢Ñ¡ÔñÒ»Ìõ·ûºÏʵÑéÒªÇóµÄÖ½´ø£¬Êý¾ÝÈçͼ£¨ÏàÁÚ¼ÆÊýµãµÄ
ʱ¼äΪT£©£¬½øÐÐÊý¾Ý´¦Àí:

¢ÙÈôÊÇ̽¾¿ÖØÁ¦×ö¹¦ºÍÎïÌ嶯Äܱ仯µÄ¹Øϵ.ÐèÇó³öÖØ´¸Ô˶¯µ½¸÷¼ÆÊýµãµÄ˲ʱËٶȣ¬ÊÔ±íʾÔÚBµãʱÖØ´¸Ô˶¯µÄ˲ʱËÙ¶ÈVB=              .
¢ÚÈôÊDzâÁ¿ÖØÁ¦¼ÓËÙ¶Èg. Ϊ¼õÉÙʵÑéµÄżȻÎó²î£¬²ÉÓÃÖð²î·¨´¦ÀíÊý¾Ý£¬Ôò¼ÓËٶȴóС¿ÉÒÔ±íʾΪg =                             .
¢ÛÈç¹ûÇó³öµÄ¼ÓËÙ¶ÈÖµÓëµ±µØÖØÁ¦¼ÓËٶȹ«ÈϵÄÖµg¡äÓнϴó²î¾à£¬ËµÃ÷ʵÑé¹ý³Ì´æÔڽϴóµÄ×èÁ¦£¬ÈôÒª²â³ö×èÁ¦µÄ´óС£¬Ôò»¹Ðè²âÁ¿µÄÎïÀíÁ¿ÊÇ             .£¨ g¡äΪÒÑÖªÁ¿£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

(10·Ö)ijͬѧÓÃͼÖÐËùʾµÄʵÑé×°ÖÃÑо¿Ð¡³µÔÚбÃæÉϵÄÔ˶¯¡£ÊµÑé²½ÖèÈçÏ£º

a£®°²×°ºÃʵÑéÆ÷²Ä¡£
b£®½ÓͨµçÔ´ºó£¬ÈÃÍÏ×ÅÖ½´øµÄС³µÑØƽ°åбÃæÏòÏÂÔ˶¯£¬Öظ´¼¸´Î¡£Ñ¡³öÒ»Ìõµã¼£±È½ÏÇåÎúµÄÖ½´ø£¬ÉáÈ¥¿ªÊ¼Ãܼ¯µÄµã¼££¬´Ó±ãÓÚ²âÁ¿µÄµã¿ªÊ¼£¬Ã¿Á½¸ö´òµã¼ä¸ôÈ¡Ò»¸ö¼ÆÊýµã£¬ÈçÏÂͼÖÐ0¡¢1¡¢2¡­¡¢6µãËùʾ¡£

c£®²âÁ¿1¡¢2¡¢3¡¢¡­¡¢6¼ÆÊýµãµ½0¼ÆÊýµãµÄ¾àÀ룬·Ö±ð¼Ç×÷£ºS1¡¢S2¡¢S3¡¢¡­¡¢S6¡£
d£®Í¨¹ý²âÁ¿ºÍ¼ÆË㣬¸ÃͬѧÅжϳöС³µÑØƽ°å×öÔȼÓËÙÖ±ÏßÔ˶¯¡£
e£®·Ö±ð¼ÆËã³öS1¡¢S2¡¢S3¡¢¡­¡¢S6Óë¶ÔӦʱ¼äµÄ±ÈÖµ¡£
f£®ÒÔΪ×Ý×ø±ê¡¢tΪºá×ø±ê£¬±ê³öÓë¶ÔӦʱ¼ätµÄ×ø±êµã£¬»­³ö¡ªtͼÏß¡£
½áºÏÉÏÊöʵÑé²½Ö裬ÇëÄãÍê³ÉÏÂÁÐÈÎÎñ£º
¢ÙʵÑéÖУ¬³ý´òµã¼ÆʱÆ÷£¨º¬Ö½´ø¡¢¸´Ð´Ö½£©¡¢Ð¡³µ¡¢Æ½°å¡¢Ìú¼Ų̈¡¢µ¼Ïß¼°¿ª¹ØÍ⣬ÔÚÏÂÃæµÄÒÇÆ÷ºÍÆ÷²ÄÖУ¬±ØÐëʹÓõÄÓР      ºÍ         ¡££¨ÌîÑ¡Ïî´úºÅ£©
A£®µçѹºÏÊʵÄ50 Hz½»Á÷µçÔ´B£®µçѹ¿Éµ÷µÄÖ±Á÷µçÔ´
C£®¿Ì¶È³ßD£®Ãë±í
E£®Ììƽ                   F£®ÖØ´¸
¢Ú½«×îС¿Ì¶ÈΪ1 mmµÄ¿Ì¶È³ßµÄ0¿ÌÏßÓë0¼ÆÊýµã¶ÔÆ룬0¡¢1¡¢2¡¢5¼ÆÊýµãËùÔÚλÖÃÈçͼËùʾ£¬ÔòS2£½       cm£¬S5£½        cm¡£

¢Û¸ÃͬѧÔÚͼÖÐÒѱê³ö1¡¢3¡¢4¡¢6¼ÆÊýµã¶ÔÓ¦µÄ×ø±ê£¬ÇëÄãÔÚ¸ÃͼÖбê³öÓë2¡¢5Á½¸ö¼ÆÊýµã¶ÔÓ¦µÄ×ø±êµã£¬²¢»­³ö¡ªtͼ¡£

¢Ü¸ù¾Ý¡ªtͼÏßÅжϣ¬ÔÚ´ò0¼ÆÊýµãʱ£¬
С³µµÄËÙ¶Èv0£½       m/s£»
ËüÔÚбÃæÉÏÔ˶¯µÄ¼ÓËÙ¶Èa£½       m/s2¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

·Ö£¬Ã¿¿ÕÓÃÈçͼËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®ÊµÑéËùÓõĵçԴΪѧÉúµçÔ´£¬Êä³öµçѹΪ6VµÄ½»Á÷µçºÍÖ±Á÷µçÁ½ÖÖ£®ÖØ´¸´Ó¸ß´¦Óɾ²Ö¹¿ªÊ¼ÏÂÂ䣮ÖØ´¸ÉÏÍÏ×ŵÄÖ½´ø´ò³öһϵÁеĵ㣮¶ÔÖ½´øÉϵĵãºÛ½øÐвâÁ¿£¬¼´¿ÉÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®ÏÂÃæÁоÙÁ˸ÃʵÑéµÄ¼¸¸ö²Ù×÷²½Ö裺
A£®°´ÕÕͼʾµÄ×°Öð²×°Æ÷¼þ
B£®½«´òµã¼ÆʱÆ÷½Óµ½µçÔ´µÄ¡°Ö±Á÷Êä³ö¡±ÉÏ
C£®ÓÃÌìƽ²â³öÖØ´¸µÄÖÊÁ¿
D£®ÏÈÊÍ·ÅÐü¹ÒÖ½´øµÄ¼Ð×Ó£¬È»ºó½ÓͨµçÔ´´ò³öÒ»ÌõÖ½´ø
E£®²âÁ¿Ö½´øÉÏijЩµã¼äµÄ¾àÀë
F£®¸ù¾Ý²âÁ¿µÄ½á¹û¼ÆËãÖØ´¸ÏÂÂä¹ý³ÌÖмõÉÙµÄÖØÁ¦ÊÆÄÜÊÇ·ñµÈÓÚÔö¼ÓµÄ¶¯ÄÜ£®
¢ñ¡¢ÆäÖÐûÓбØÒª½øÐеĻòÕß²Ù×÷²»µ±µÄ²½ÖèÊÇ_____£®£¨½«ÆäÑ¡Ïî¶ÔÓ¦µÄ×ÖĸÌîÔÚºáÏß´¦£©
¢ò¡¢ÔÚʵÑéÖУ¬ÖÊÁ¿mΪ1.0kgµÄÖØÎï×ÔÓÉÏÂÂ䣬´ø¶¯Ö½´ø´ò³öһϵÁеĵ㣬ÈçͼËùʾ¡£ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ0.02s£¬¾àÀ뵥λΪcm¡£

£¨1£©Ö½´øµÄ___________¶ËÓëÖØÎïÏàÁ¬£»
£¨2£©´òµã¼ÆʱÆ÷´òϼÆÊýµãBʱ£¬ÎïÌåµÄËÙ¶ÈvB=___________m/s£»(½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö)
£¨3£©Ä³Í¬Ñ§´ÓÆðµãOµ½´òϼÆÊýµãBµÄ¹ý³ÌÖУ¬¼ÆËã³öÎïÌåµÄ¶¯ÄÜÔö¼ÓÁ¿¦¤EK=0.48J£¬ÊÆÄܼõÉÙÁ¿¦¤EP=0.49J£¨g=9.8m/s2£©£¬¸ÃͬѧµÄ¼ÆËã·½·¨ºÍ¹ý³Ì²¢Ã»ÓдíÎó£¬È´³öÏÖÁ˦¤EK<¦¤EPµÄ½á¹û£¬ÊÔÎÊÕâÒ»½á¹ûÊÇ·ñºÏÀí£¿´ð£º________________¡£
£¨4£©ÁíÒ»ÃûͬѧÓüÆËã³öBµÄ¶¯ÄÜEK=0.49J£¬Ç¡ºÃÓëÊÆÄܼõÉÙÁ¿¦¤EPÏàµÈ£¬ÓÚÊǸÃͬѧµÃ³ö½áÂÛ¡°ÖØÎïÏÂÂä¹ý³ÌÖлúеÄÜÊغ㡱£¬ÊÔÎʸÃͬѧµÄ×ö·¨ÊÇ·ñºÏÀí£¿
´ð£º________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

(12·Ö)ijͬѧ½«Á¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£¬È»ºó°ÑÉþµÄÒ»¶Ë¹Ì¶¨ÔÚ´«¸ÐÆ÷µÄ¹Ò¹³ÉÏ£¬ÓÃÀ´²âÁ¿Éþ¶ÔС³µµÄÀ­Á¦£¬Ì½¾¿ÔÚС³µ¼°´«¸ÐÆ÷×ÜÖÊÁ¿²»±äʱ¼ÓËٶȸúËüÃÇËùÊÜÀ­Á¦µÄ¹Øϵ£¬¸ù¾ÝËù²âÊý¾ÝÔÚ×ø±êϵÖÐ×÷³öÁËÈçͼËùʾµÄͼÏñ¡£

(1)ͼÏñ²»¹ý×ø±êÔ­µãµÄÔ­ÒòÊÇ_____________£»
(2)±¾ÊµÑéÖÐÊÇ·ñÈÔÐèҪϸɳºÍÍ°µÄ×ÜÖÊÁ¿Ô¶Ð¡ÓÚС³µºÍ´«¸ÐÆ÷µÄ×ÜÖÊÁ¿______(Ìî ¡°ÊÇ¡±»ò¡°·ñ¡±)£»
(3)ÓÉͼÏñÇó³öС³µºÍ´«¸ÐÆ÷µÄ×ÜÖÊÁ¿Îª_________kg£»Í¨¹ýʵÑéµÃµ½ÈçͼËùʾµÄÖ½´ø£¬Ö½´øÉϵãΪС³µÔ˶¯Æðʼʱ¿ÌËù´òµÄµã£¬Ñ¡È¡Ê±¼ä¼ä¸ôΪ 0.1s µÄÏàÁÚ¼ÆÊýµãA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¡£ÔòС³µÔ˶¯µÄ¼ÓËÙ¶ÈΪ=        (±£Áô3λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ

ijÑо¿Ð¡×éΪ²âÁ¿Ò»¸öÒ£¿Øµç¶¯Ð¡³µµÄ¶î¶¨¹¦ÂÊ£¬½øÐÐÁËÈçÏÂʵÑ飺
¢ÙÓÃÌìƽ²â³öµç¶¯Ð¡³µµÄÖÊÁ¿Îª0.4kg£»
¢Ú½«µç¶¯Ð¡³µ¡¢Ö½´øºÍ´òµã¼ÆʱÆ÷°´ÈçͼËùʾ°²×°£»

¢Û½Óͨ´òµã¼ÆʱÆ÷£¨Æä´òµãÖÜÆÚΪ0.02s£©£»
¢Üʹµç¶¯Ð¡³µÒԶ¹¦ÂʼÓËÙÔ˶¯£¬´ïµ½×î´óËÙ¶ÈÒ»¶Îʱ¼äºó¹Ø±ÕС³µµçÔ´£¬´ýС³µ¾²Ö¹Ê±Ôٹرմòµã¼ÆʱÆ÷£¨ÉèС³µÔÚÕû¸ö¹ý³ÌÖÐС³µÓëÖ½´øËùÊܵÄ×èÁ¦ºã¶¨£©¡£ÔÚÉÏÊö¹ý³ÌÖУ¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏËù´òµÄ²¿·Öµã¼£ÈçͼËùʾ£¨ÒÑÖªÖ½´ø×ó¶ËÓëС³µÏàÁ¬£©Çë·ÖÎöÖ½´øÊý¾Ý£¬»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©µç¶¯Ð¡³µÔ˶¯µÄ×î´óËÙ¶ÈΪ_______ m£¯s
£¨2£©µç¶¯Ð¡³µ¹Ø±ÕµçÔ´ºó¼ÓËٶȴóСΪ        m/s2
£¨3£©µç¶¯Ð¡³µµÄ¶î¶¨¹¦ÂÊΪ             W¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸