ΪÁ˲âÁ¿Ä¾¿éÓëľ°å¼ä¶¯Ä¦²ÁÒòÊý£¬Ä³Ð¡×éʹÓÃλÒÆ´«¸ÐÆ÷Éè¼ÆÁËÈçͼËùʾʵÑé×°Öã¬ÈÃľ¿é´ÓÇãбľ°åÉÏÒ»µãAÓɾ²Ö¹ÊÍ·Å£¬Î»ÒÆ´«¸ÐÆ÷¿ÉÒÔ²â³öľ¿éµ½´«¸ÐÆ÷µÄ¾àÀ롣λÒÆ´«¸ÐÆ÷Á¬½Ó¼ÆËã»ú£¬Ãè»æ³ö»¬¿éÏà¶Ô´«¸ÐÆ÷µÄλÒÆsËæʱ¼ät±ä»¯¹æÂÉ£¬ÈçͼËùʾ¡£

¢Ù¸ù¾ÝÉÏÊöͼÏߣ¬¼ÆËã0.4 sʱľ¿éµÄËÙ¶È__________m£¯s£¬Ä¾¿é¼ÓËÙ¶È__________m/s2£»
¢ÚΪÁ˲ⶨ¶¯Ä¦²ÁÒòÊý£¬»¹ÐèÒª²âÁ¿µÄÁ¿ÊÇ________£»£¨ÒÑÖªµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg£©
¢ÛΪÁËÌá¸ßľ¿éÓëľ°å¼ä¶¯Ä¦²ÁÒòÊýµÄ²âÁ¿¾«¶È£¬ÏÂÁдëÊ©¿ÉÐеÄÊÇ_________
A£®AµãÓë´«¸ÐÆ÷¾àÀëÊʵ±´óЩ
B£®Ä¾°åµÄÇã½ÇÔ½´óÔ½ºÃ
C£®Ñ¡ÔñÌå»ý½Ï´óµÄ¿ÕÐÄľ¿é
D£®´«¸ÐÆ÷¿ªÊ¼¼ÆʱµÄʱ¿Ì±ØÐëÊÇľ¿é´ÓAµãÊͷŵÄʱ¿Ì
¢Ù0.4 £¬ 1 £» ¢ÚбÃæÇã½Ç£¨»òAµãµÄ¸ß¶È£©¢ÛA

ÊÔÌâ·ÖÎö£º¢Ù0.4 sʱľ¿éµÄËٶȵÈÓÚ0.2s¡ª0.6sÄÚµÄƽ¾ùËٶȣ¬¼´£»
¸ù¾Ý£¬¿ÉÇó³öľ¿éµÄ¼ÓËٶȣ¬
¢Ú¸ù¾Ý£¬¿ÉÖªÏàÓ¦²â³öÇãб½Ç»òAµãµÄ¸ß¶ÈËã³öÇãб½Ç¡£
¢Û£ºµ±AµãÓë´«¸ÐÆ÷¾àÀëÊʵ±´óЩ£¬¿É²â³ö¶à×éÊý¾Ý£¬Çóƽ¾ùÖµ£¬ÄÜÌá¸ß²âÁ¿¾«ÕýÈ·¶È£¬AÕýÈ·£»Çãб½ÇÔ½´ó£¬²âµÃµÄÊý¾ÝÔ½ÉÙ£¬²»ÀûÓÚÌá¸ß²âÁ¿¾«¶È£¬B´íÎó£»ÈôÑ¡ÔñÌå»ý½Ï´óµÄ¿ÕÐÄľ¿é£¬ÔÚϽµ¹ý³ÌÖУ¬ÊÜ¿ÕÆø×èÁ¦±ä´ó£¬Ó°ÏìÁ˶¯Ä¦²ÁÒòÊýµÄ²âÁ¿£¬ C´íÎó£»´«¸ÐÆ÷¿ªÊ¼¼ÆʱµÄʱ¿Ì²»Ò»¶¨´ÓAµãÊͷŵÄʱ£¬Ö»Òª¸ù¾ÝÖмäÒ»¶ÎµÄ£¬¾Í¿ÉËã³ö¼ÓËٶȣ¬D´íÎó¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê 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>>

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

ÏÖÓÐÒ»ºÏ½ðÖƳɵÄÔ²ÖùÌ塣Ϊ²âÁ¿¸ÃºÏ½ðµÄµç×èÂÊ£¬ÏÖÓ÷ü°²·¨²âÁ¿Ô²ÖùÌåÁ½¶ËÖ®¼äµÄµç×裬ÓÃÂÝÐý²â΢Æ÷ºÍÓα꿨³ßµÄʾÊýÈçͼ£¨a£©ºÍͼ£¨b£©Ëùʾ¡£

£¨1£©ÓÉÉÏͼ¶ÁµÃÔ²ÖùÌåµÄÖ±¾¶Îª_________mm£¬³¤¶ÈΪ__________cm¡£
£¨2£©ÈôÁ÷¾­Ô²ÖùÌåµÄµçÁ÷ΪI£¬Ô²ÖùÌåÁ½¶ËÖ®¼äµÄµçѹΪU£¬Ô²ÖùÌåµÄÖ±¾¶ºÍ³¤¶È·Ö±ðÓÃD¡¢L±íʾ£¬ÔòÓÃD¡¢L¡¢I¡¢U±íʾµÄµç×èÂʵĹØϵʽΪ=____________¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨8·Ö£©ÈçͼΪ¡°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¨ÈçͼËùʾ)¡£

¢Ù·ÖÎö´ËͼÏßµÄOA¶Î¿ÉµÃ³öµÄʵÑé½áÂÛÊÇ                  ¡£
¢Ú£¨µ¥Ñ¡Ìâ)´ËͼÏßµÄAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ£¨   )
A£®Ð¡³µÓë¹ìµÀÖ®¼ä´æÔÚĦ²ÁB£®µ¼¹ì±£³ÖÁËˮƽ״̬
C£®Ëù¹Ò¹³ÂëµÄ×ÜÖÊÁ¿Ì«´óD£®ËùÓÃС³µµÄÖÊÁ¿Ì«´ó

²é¿´´ð°¸ºÍ½âÎö>>

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

Ñо¿ÐÔѧϰС×éΪ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯µÄ¹æÂÉ¡±ºÍ¡°²âµ±µØµÄÖØÁ¦¼ÓËٶȡ±£¬²ÉÓÃÁËÈçͼ1ËùʾµÄ×°Öã¬ÆäÖÐm1£½50g¡¢m2£½150g£¬¿ªÊ¼Ê±±£³Ö×°Öþ²Ö¹£¬È»ºóÊÍ·ÅÎï¿ém2£¬m2¿ÉÒÔ´ø¶¯m1ÍÏ×ÅÖ½´ø´ò³öһϵÁеĵ㣬ֻҪ¶ÔÖ½´øÉϵĵã½øÐвâÁ¿£¬¼´¿ÉÑо¿ÔȱäËÙÖ±ÏßÔ˶¯¡£Ä³´ÎʵÑé´ò³öµÄÖ½´øÈçͼ2Ëùʾ£¬0ÊÇ´òϵĵÚÒ»¸öµã£¬Á½ÏàÁÚµã¼ä»¹ÓÐ4¸öµãûÓбê³ö£¬½»Á÷µçƵÂÊΪ50Hz¡£

£¨1£©ÏµÍ³µÄ¼ÓËٶȴóСΪ________m/s2£¬ÔÚ´òµã0¡«5µÄ¹ý³ÌÖУ¬ÏµÍ³¶¯ÄܵÄÔöÁ¿¦¤Ek£½________J¡£
£¨2£©ºöÂÔÒ»ÇÐ×èÁ¦µÄÇé¿öÏ£¬Ä³Í¬Ñ§×÷³öµÄ¡ª hͼÏóÈçͼ3Ëùʾ£¬Ôòµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg£½______m/s2¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ΪÁË̽¾¿Æ½Å×Ô˶¯µÄ¹æÂÉ£¬Ä³Í¬Ñ§Éè¼ÆÈçͼËùʾµÄʵÑé×°Öã¬Á½¸öÍêÈ«ÏàͬµÄб²Û¹Ì¶¨ÔÚͬһÊúֱƽÃæÄÚ£¬Ð±²Û2µÄÄ©¶ËÎǽÓÒ»×ã¹»³¤µÄˮƽ¹ìµÀ£¬ÈÃÁ½¸öÍêÈ«ÏàͬСÇòͬʱ´Óб²ÛÉϹöÏ¡£

£¨1£©ÓйظÃʵÑéÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ         
A£®Ö»ÄÜÑé֤ƽÅ×Ô˶¯ÊúÖ±·½ÏòÊÇ×ÔÓÉÂäÌåÔ˶¯
B£®Ö»ÄÜÑé֤ƽÅ×Ô˶¯Ë®Æ½·½ÏòÊÇÔÈËÙÖ±ÏßÔ˶¯
C£®¼ÈÄÜÑé֤ƽÅ×Ô˶¯ÊúÖ±·½ÏòÊÇ×ÔÓÉÂäÌåÔ˶¯£¬ÓÖÄÜÑé֤ˮƽ·½ÏòÊÇÔÈËÙÖ±ÏßÔ˶¯
D£®Á½Ð¡ÇòÊͷŵã¾àб²ÛÄ©¶ËµÄ¸ß¶È²îÓ¦ÏàµÈ
£¨2£©ÎªÊ¹ÊµÑé³É¹¦£¬¸ø¸ÃͬѧÌá³öÁ½ÌõºÏÀíµÄ½¨Ò飺¢Ù                              £¬¢Ú                                   ¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ijʵÑéС×éͬѧÀûÓÃÆøµæµ¼¹ìºÍ¹âµçÃżÆʱÆ÷µÈ×°ÖÃ̽¾¿¶¯Äܶ¨Àí£®
ËûÃÇͨ¹ý¸Ä±ä»¬ÂÖ϶˵ÄСɳÅÌÖÐɶ×ÓµÄÖÊÁ¿À´¸Ä±ä»¬¿éËùÊÜˮƽ·½ÏòµÄÀ­Á¦£»»¬¿éÉÏ°²Óпí¶ÈΪdµÄµ²¹âƬ£¬ÊµÑéÖУ¬ÓÃÌìƽ³Æ³öСÅ̺Íɳ×ÓµÄ×ÜÖÊÁ¿Îªm£¬»¬¿é£¨´øµ²¹âƬ£©µÄÖÊÁ¿ÎªM£¬ÓÃ×îС·Ö¶ÈΪ1mmµÄ¿Ì¶È³ß²âÁ¿³ö¹âµçÃÅ1ºÍ2Ö®¼äµÄ¾àÀëx£¬¼ÆʱÆ÷ÏÔʾµµ¹âƬ¾­¹ý¹âµçÃŵÄʱ¼ä·Ö±ðΪt1ºÍt2£®

£¨1£©ÓÃ×îС·Ö¶ÈΪ1mmµÄ¿Ì¶È³ß²âÁ¿³ö¹âµçÃÅ1ºÍ2Ö®¼äµÄ¾àÀëx£¬ÒÔÏÂÊý¾ÝºÏÀíµÄÊÇ
A¡¢50cm        B¡¢50.00cm
C¡¢50.0cm            D¡¢50.000cm
£¨2£©Ð¡×éµÄijλͬѧ̽¾¿µÃ³ö½áÂ۵ıí´ïʽΪ£¬ÇëÎÊÔÚÕâλͬѧµÄʵÑé²Ù×÷¹ý³ÌÖÐÊÇ·ñÂú×㡰СɳÅ̺Íɳ×ÓµÄ×ÜÖÊÁ¿mԶԶСÓÚ»¬¿é£¨´øµ²¹âƬ£©µÄÖÊÁ¿M¡±Õâ¸öÌõ¼þ¡¡_________¡¡ £¨Ìî¡°ÊÇ¡±»ò¡°·ñ¡±£©£®
£¨3£©Îª¼õСʵÑéÎó²î¿É²ÉÈ¡µÄ·½·¨ÊÇ¡¡_________¡¡
A¡¢Êʵ±Ôö´óµ²¹âƬµÄ¿í¶Èd
B¡¢Êʵ±¼õСµ²¹âƬµÄ¿í¶Èd
C¡¢Êʵ±Ôö´óÁ½¹âµçÃÅÖ®¼äµÄ¾àÀëx
D¡¢Êʵ±¼õСÁ½¹âµçÃÅÖ®¼äµÄ¾àÀëx£®

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚ¡°Óõ¥°Ú²âÖØÁ¦¼ÓËٶȡ±µÄʵÑéÖУ¬ÓÉÓÚûÓÐÓα꿨³ß£¬ÎÞ·¨²âСÇòµÄÖ±¾¶d£¬ÊµÑéÖн«Ðüµãµ½Ð¡Çò×îµÍµãµÄ¾àÀë×÷Ϊ°Ú³¤£¬²âµÃ¶à×éÖÜÆÚTºÍlµÄÊý¾Ý£¬×÷³öT2¡ªÍ¼Ïó£¬ÈçͼËùʾ¡£

£¨1£©ÊµÑéµÃµ½µÄT2¡ªÍ¼ÏóÊÇ______£»
£¨2£©Ð¡ÇòµÄÖ±¾¶ÊÇ__________cm£»
£¨3£©ÊµÑé²âµÃµ±µØÖØÁ¦¼ÓËٶȴóСÊÇ_______m/s2£¨È¡ÈýλÓÐЧÊý×Ö£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

²â¶¨Ä¾¿éÓ볤ľ°åÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýʱ£¬²ÉÓÃÈçͼËùʾµÄ×°Öã¬Í¼Öг¤Ä¾°åˮƽ¹Ì¶¨£®
£¨1£©ÊµÑé¹ý³ÌÖУ¬µç»ð»¨¼ÆʱÆ÷Ó¦½ÓÔÚ       £¨Ñ¡Ìî¡°Ö±Á÷¡±»ò¡°½»Á÷¡±£©µçÔ´ÉÏ£®µ÷Õû¶¨»¬Âָ߶ȣ¬Ê¹                     £®
£¨2£©ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg£¬²âµÃľ¿éµÄÖÊÁ¿ÎªM£¬íÀÂëÅ̺ÍíÀÂëµÄ×ÜÖÊÁ¿Îªm£¬Ä¾¿éµÄ¼ÓËÙ¶ÈΪa£¬Ôòľ¿éÓ볤ľ°å¼ä¶¯Ä¦²ÁÒòÊý¦Ì=             £®
£¨3£©ÈçͼΪľ¿éÔÚˮƽľ°åÉÏ´ø¶¯Ö½´øÔ˶¯´ò³öµÄÒ»ÌõÖ½´øµÄÒ»²¿·Ö£¬0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Ϊ¼ÆÊýµã£¬ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµãδ»­³ö£®´ÓÖ½´øÉϲâ³öx1=3.20cm£¬x2=4.52cm£¬x5=8.42cm£¬x6=9.70cm£®Ôòľ¿é¼ÓËٶȴóСa=              m/s2(±£ÁôÁ½Î»ÓÐЧÊý×Ö)£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸