ÔÚ×ö¡°Ì½¾¿¹²µãÁ¦ºÏ³É¹æÂÉ¡±µÄʵÑéʱ£¬¿ÉÒÔÏȽ«ÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚľ°åÉÏ£¬ÔÙÓÃÁ½¸öµ¯»É³Ó°ÑÏðƤÌõµÄÁíÒ»¶ËÀ­µ½Ä³Ò»Î»ÖÃO£¬Ö®ºóÖ»ÓÃÒ»¸öµ¯»É³ÓÀ­ÏðƤÌõʹÆäÉ쳤£¬ÈçͼËùʾ¡£¹ØÓÚʵÑé²Ù×÷£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ______£¨ÌîдÏàÓ¦ÐòºÅ£©¡£

¢Ùͬһ´ÎʵÑéÖÐOµãµÄλÖÃÔÊÐí±ä¶¯¡£
¢ÚʵÑéÖе¯»É³Ó±ØÐë±£³ÖÓëľ°åƽÐУ¬¶ÁÊýʱҪÕýÊÓµ¯»É³Ó¿Ì¶È¡£
¢ÛʵÑéÖÐÐèÒª¼Ç¼µ¯»É³ÓµÄʾÊýºÍµ¯»É³ÓËùÊ©¼ÓÀ­Á¦µÄ·½Ïò¡£
¢Ú¢Û  2·Ö

ÊÔÌâ·ÖÎö£º¢ÙÒª±£Ö¤Á½¸öµ¯»É³ÆµÄÀ­Á¦ÓëÒ»¸öµ¯»É³ÆµÄÀ­Á¦Ð§¹ûÏàͬ£¬ÏðƤÌõÒªÑØÏàͬ·½ÏòÉ쳤Á¿Ïàͬ£¬ÔòOµãµÄλÖÃÓ¦¹Ì¶¨£¬¹Ê¢Ù´íÎ󣻢ڱ¾ÊµÑéÊÇÔÚˮƽÃæ×÷Á¦µÄͼʾ£¬ÎªÁ˼õСÎó²îµ¯»É²âÁ¦¼Æ±ØÐë±£³ÖÓëľ°åƽÐУ¬¶ÁÊýʱÊÓÏßÒªÕý¶Ôµ¯»É²âÁ¦¼ÆµÄ¿Ì¶È£¬¹Ê¢ÚÕýÈ·£»¢ÛÓÉÓÚÁ¦ÊÇʸÁ¿£¬Òò´ËÔڼǼʱ²»µ«Òª¼Ç¼´óС»¹Òª¼Ç¼Æä·½Ïò£¬¹Ê¢ÛÕýÈ·£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

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

(10·Ö)ÀûÓÃÆøµæµ¼¹ìÑéÖ¤»úеÄÜÊغ㶨ÂÉ£¬ÊµÑé×°ÖÃʾÒâͼÈçͼ1Ëùʾ£º
      
£¨1£©ÊµÑé²½Ö裺
¢Ù½«Æøµæµ¼¹ì·ÅÔÚˮƽ×ÀÃæÉÏ£¬×ÀÃæ¸ß¶È²»µÍÓÚlm£¬½«µ¼¹ìµ÷ÖÁˮƽ£»
¢ÚÓÃÓα꿨³ß²âÁ¿µ²¹âÌõµÄ¿í¶ÈL£¬½á¹ûÈçͼ2Ëùʾ£¬Óɴ˶Á³öL=           mm£»
¢ÛÓɵ¼¹ì±ê³ß¶Á³öÁ½¹âµçÃÅÖÐÐÄÖ®¼äµÄ¾àÀëS£»
¢Ü½«»¬¿éÒÆÖÁ¹âµçÃÅ1×ó²àij´¦£¬´ýíÀÂë¾²Ö¹²»¶¯Ê±£¬ÊÍ·Å»¬¿é£¬ÒªÇóíÀÂëÂäµØÇ°µ²¹âÌõÒÑͨ¹ý¹âµçÃÅ2£»
¢Ý´ÓÊý×Ö¼ÆʱÆ÷£¨Í¼1ÖÐδ»­³ö£©ÉÏ·Ö±ð¶Á³öµ²¹âÌõͨ¹ý¹âµçÃÅ1ºÍ¹âµçÃÅ2ËùÓõÄʱ¼ä¡÷t1ºÍ¡÷t2£»
¢ÞÓÃÌìƽ³Æ³ö»¬¿éºÍµ²¹âÌõµÄ×ÜÖÊÁ¿M£¬ÔٳƳöÍÐÅ̺ÍíÀÂëµÄ×ÜÖÊÁ¿m£®
£¨2£©Óñíʾֱ½Ó²âÁ¿Á¿µÄ×Öĸд³öÏÂÁÐËùʾÎïÀíÁ¿µÄ±í´ïʽ£º
¢Ùµ±»¬¿éͨ¹ý¹âµçÃÅ1ºÍ¹âµçÃÅ2ʱ£¬ÏµÍ³£¨°üÀ¨»¬¿é¡¢µ²¹âÌõ¡¢ÍÐÅ̺ÍíÀÂ룩µÄ×ܶ¯ÄÜ·Ö±ðΪEk1=          ºÍE k2=           £®
¢ÚÔÚ»¬¿é´Ó¹âµçÃÅ1Ô˶¯µ½¹âµçÃÅ2µÄ¹ý³ÌÖУ¬ÏµÍ³ÖØÁ¦ÊÆÄܵļõÉÙÁ¿¡÷EP=       £¨ÖØÁ¦¼ÓËÙ¶ÈΪg£©£®
£¨3£©Èç¹ûÔÚʵÑéÎó²îÔÊÐíµÄ·¶Î§ÄÚ£¬¡÷EP=            £¬Ôò¿ÉÈÏΪÑéÖ¤ÁË»úеÄÜÊغ㶨ÂÉ£®

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨8·Ö£©ÈçͼËùʾ£¬Îª¡°ÓÃDIS£¨Î»ÒÆ´«¸ÐÆ÷¡¢Êý¾Ý²É¼¯Æ÷¡¢¼ÆËã»ú£©Ñо¿¼ÓËٶȺÍÁ¦µÄ¹Øϵ¡±µÄʵÑé×°Öá£

£¨1£©ÔÚ¸ÃʵÑéÖбØÐë²ÉÓÿØÖƱäÁ¿·¨£¬Ó¦±£³Ö___________²»±ä£¬Óù³ÂëËùÊܵÄÖØÁ¦´óС×÷Ϊ___________£¬ÓÃDIS²âС³µµÄ¼ÓËٶȡ£
£¨2£©¸Ä±äËù¹Ò¹³ÂëµÄÊýÁ¿£¬¶à´ÎÖظ´²âÁ¿¡£ÔÚij´ÎʵÑéÖиù¾Ý²âµÃµÄ¶à×éÊý¾Ý¿É»­³öa-F¹ØϵͼÏߣ¨ÈçÓÒͼËùʾ£©¡£·ÖÎö´ËͼÏßOA¶Î¿ÉµÃ³öµÄʵÑé½áÂÛÊÇ____________________¡£
£¨3£©´ËͼÏßµÄAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ£¨   £©£¨µ¥Ñ¡Ì⣩
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´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨8·Ö£©Ä³Í¬Ñ§Ñ§¹ýƽÅ×Ô˶¯ºó£¬ÀûÓÃƽÅ×Ô˶¯ÖªÊ¶²âÁ¿Ä³Ë®Æ½ÅçË®¿ÚµÄÁ÷Á¿Q£¨Q£½Sv£¬SΪ³öË®¿ÚµÄºá½ØÃæ»ý£¬vΪ³öË®¿ÚµÄË®ËÙ£©£¬·½·¨ÈçÏ£º
£¨1£©ÏÈÓÃÓα꿨³ß²âÁ¿ÅçË®¿ÚµÄÄÚ¾¶D¡£ÈçÏÂͼËùʾ£¬A¡¢B¡¢C¡¢DËĸöͼÖУ¬²âÁ¿·½Ê½ÕýÈ·µÄÊÇ______________________¡£
£¨2£©ÕýÈ·²âÁ¿µÃµ½µÄ½á¹ûÈçͼÖеÄÓα꿨³ßËùʾ£¬Óɴ˿ɵÃÅçË®¿ÚµÄÄÚ¾¶D£½________cm¡£


£¨3£©´ò¿ªË®·§£¬ÈÃË®´ÓÅçË®¿ÚˮƽÅç³ö£¬Îȶ¨ºó²âµÃÂäµØµã¾àÅçË®¿Úˮƽ¾àÀëΪx£¬ÊúÖ±¾àÀëΪy£¬ÔòÅç³öµÄË®µÄ³õËÙ¶Èv0£½___________£¨ÓÃx£¬y¡¢g±íʾ£©¡£
£¨4£©¸ù¾ÝÉÏÊö²âÁ¿Öµ£¬¿ÉµÃË®¹ÜÄÚË®µÄÁ÷Á¿Q£½__________£¨ÓÃD¡¢x¡¢y¡¢g±íʾ£©

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

ijͬѧÓÃÈçͼ1ËùʾµÄʵÑé×°ÖÃ×ö¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑé¡£ÒÑÖª´òµã¼ÆʱÆ÷ËùÓõçÔ´µÄƵÂÊΪ50Hz£¬²éµÃµ±µØÖØÁ¦¼ÓËÙ¶Èg=9.80m/s2£¬²âµÃËùÓÃÖØÎïµÄÖÊÁ¿Îª1.00kg¡£Ð¡ÀîͬѧѡÓÃʵÑéÖеõ½µÄÒ»Ìõµã¼£ÇåÎúµÄÖ½´ø£¬°ÑÔ˶¯µÄÆðʼµã¼Ç×÷O£¬ÁíÑ¡Á¬Ðø3¸öµãA¡¢B¡¢C×÷Ϊ²âÁ¿µã£¬ÇÒA¡¢B¡¢C¸÷µãµ½OµãµÄ¾àÀëÈçͼ2Ëùʾ¡£¸ù¾ÝÒÔÉÏÊý¾Ý£¬¿ÉÖªÖØÎïÓÉOµãÔ˶¯µ½Bµã¹ý³ÌÖУ¬ÖØÁ¦ÊÆÄܵļõÉÙÁ¿µÈÓÚ  
J£¬¶¯ÄܵÄÔö¼ÓÁ¿µÈÓÚ         J(½á¹û±£Áô3λÓÐЧÊý×Ö)¡£

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

£¨1£©Ä³Ì½¾¿Ñ§Ï°Ð¡×éµÄͬѧÓûÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬ËûÃÇÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Öã¬ÁíÍâËûÃÇ»¹ÕÒµ½ÁË´òµã¼ÆʱÆ÷ËùÓõÄѧÉúµçԴһ̨£¬µ¼Ïß¡¢¸´Ð´Ö½¡¢Ö½´ø¡¢µæ¿é¡¢Ï¸É³Èô¸É£®µ±»¬¿éÁ¬½ÓÉÏÖ½´ø£¬ÓÃϸÏßͨ¹ý»¬ÂÖ¹ÒÉÏ¿ÕµÄСɳͰʱ£¬ÊÍ·ÅСͰ£¬»¬¿é´¦ÓÚ¾²Ö¹×´Ì¬£®ÈôÄãÊÇС×éÖеÄһλ³ÉÔ±£¬ÒªÑéÖ¤»¬¿éËùÊܺÏÍâÁ¦×öµÄ¹¦µÈÓÚÆ䶯Äܵı仯£¬Ôò£º
¢Ù»¹ÐèÒª²¹³äµÄʵÑéÆ÷²ÄÊÇ¡¡¡¡¡¡¡¡   £¬    ¡¡¡¡¡¡¡¡¡¡¡¡£®
¢ÚΪÁ˼ò»¯ÊµÑ飬ʹ»¬¿éËùÊܺÏÍâÁ¦µÈÓÚÉþ×ÓµÄÀ­Á¦£¬Ó¦²ÉÈ¡µÄ´ëÊ©ÊÇ£º            £»
ҪʹÉþ×ÓÀ­Á¦Ô¼µÈÓÚɳºÍɳͰµÄÖØÁ¦£¬Ó¦Âú×ãµÄÌõ¼þÊÇ£º±£³ÖɳºÍɳͰµÄÖÊÁ¿      »¬¿éµÄÖÊÁ¿¡£

¢ÛÈôÌôÑ¡µÄÒ»Ìõµã¼£ÇåÎúµÄÖ½´øÈçÏ£¬ÇÒÒÑÖª»¬¿éµÄÖÊÁ¿Îª£Í£¬É³ºÍɳͰµÄ×ÜÖÊÁ¿Îªm£¬ÏàÁÚÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ôΪT£¬´ÓAµãµ½B¡¢C¡¢D¡¢EµãµÄ¾àÀëÒÀ´ÎΪS1¡¢S2¡¢S3¡¢S4£¬ÔòÓÉ´Ë¿ÉÇóµÃÖ½´øÉÏÓɣµ㵽DµãËù¶ÔÓ¦µÄ¹ý³ÌÖУ¬É³ºÍɳͰµÄÖØÁ¦Ëù×öµÄ¹¦W£½¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£»¸Ã»¬¿é¶¯ÄܸıäÁ¿µÄ±í´ïʽΪ¦¤EK£½¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡  £®£¨½á¹ûÓÃÌâÖÐÒÑÖªÎïÀíÁ¿µÄ×Öĸ±íʾ£©

£¨2£©ÎªÁ˼õСʵÑéÎó²î£¬ÒÔϲÙ×÷Öв»±ØÒªµÄÊÇ¡¾    ¡¿
A£®ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬¹©Ð¡³µÔ˶¯µÄƽ°åÓ¦¹â»¬
B£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÖУ¬µ¯»É²âÁ¦¼Æ±ØÐëÓëľ°åƽÐУ¬¶ÁÊýʱÊÓÏßÒªÕý¶Ôµ¯»É²âÁ¦¼ÆµÄ¿Ì¶È
C£®ÓÃÂäÌå·¨ÑéÖ¤»úеÄÜÊغ㶨ÂÉʱ£¬±ØÐèÑ¡ÔñÖ½´øÉϵĵÚÒ»´òµãΪÆðʼµã
D£®ÔÚ¡°Ì½¾¿µ¯»Éµ¯Á¦ÓëÉ쳤Á¿µÄ¹Øϵ¡±ÊµÑéÖУ¬µ¯»ÉÊúÖ±Ðü¹Ò״̬ϲâ³öµ¯»ÉÔ­³¤

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±ÊµÑéÖУ¬Ä³Í¬Ñ§Ê¹ÓÃÁËÈçͼËùʾµÄ×°Öã®ÔÚʵÑé¹ý³ÌÖУº

£¨1£©´òµã¼ÆʱÆ÷Ó¦¸ÃÓë      £¨Ñ¡Ìî¡°½»Á÷¡±»ò¡°Ö±Á÷¡±£©µçÔ´Á¬½Ó£»Ôڱպϵç¼üÇ°£¬½«Ð¡³µ·ÅÖÃÔÚ    Ò»¶Ë£» (Ñ¡Ìî¡°¿¿½ü»¬ÂÖ¡±»ò¡°¿¿½ü´òµã¼ÆʱÆ÷¡±)£®
£¨2£©ÔÚ̽¾¿¹ý³ÌÖУ¬¸Ãͬѧ´ò³öÁËÒ»ÌõÖ½´ø£¬²¢ÔÚÖ½´øÉÏÁ¬ÐøÈ¡¼¸¸ö¼ÆÊýµã£¬ÈçÏÂͼËùʾ£®×ÔAµãÆð£¬ÏàÁÚÁ½µã¼äµÄ¾àÀë·Ö±ðΪ10.0mm¡¢16.0mm¡¢22.0mm¡¢28.0mm£®ÒÑÖªÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪ0.1s£¬Ôò´òDµãʱС³µµÄËÙ¶ÈΪ     m/s£¬ Õû¸ö¹ý³ÌÖÐС³µµÄƽ¾ù¼ÓËÙ¶ÈΪ   m/s2£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸