ijʵÑéС×éÀûÓÃÈçͼ8ËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ»úеÄÜÊغ㣮

£¨1£©ÊµÑéÇ°ÐèÒªµ÷ÕûÆøµæµ¼¹ìµ××ùʹ֮ˮƽ£¬ÀûÓÃÏÖÓÐÆ÷²ÄÈçºÎÅжϵ¼¹ìÊÇ·ñˮƽ£¿

                                                                  £®

£¨2£©Èçͼ9Ëùʾ£¬ÓÃÓα꿨³ß²âµÃÕÚ¹âÌõµÄ¿í¶Èd=           cm£»ÊµÑéʱ½«»¬¿é´Óͼ8ËùʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ä¦¤t=1.2¡Á10-2s£¬Ôò»¬¿é¾­¹ý¹âµçÃÅʱµÄ˲ʱËÙ¶ÈΪ             m/s£®ÔÚ±¾´ÎʵÑéÖл¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓУº¹³ÂëµÄÖÊÁ¿m¡¢             ºÍ              £¨ÎÄ×Ö˵Ã÷²¢ÓÃÏàÓ¦µÄ×Öĸ±íʾ£©£®

 

£¨3£©±¾ÊµÑéͨ¹ý±È½Ï          ºÍ                       ÔÚʵÑéÎó²îÔÊÐíµÄ·¶Î§ÄÚÏàµÈ£¨ÓòâÁ¿µÄÎïÀíÁ¿·ûºÅ±íʾ£©£¬´Ó¶øÑéÖ¤ÁËϵͳµÄ»úеÄÜÊغ㣮

 

 £¨1£©½ÓͨÆøÔ´£¬½«»¬¿é¾²ÖÃÓÚÆøµæµ¼¹ìÉÏ£¬Èô»¬¿é»ù±¾±£³Ö¾²Ö¹£¬Ôò˵Ã÷µ¼¹ìÊÇˮƽµÄ£¨»òÇáÍÆ»¬¿é£¬»¬¿éÄÜ»ù±¾×öÔÈËÙÖ±ÏßÔ˶¯£©£®¡­¡­..

£¨2£©0,52  ¡­¡­£¨3·Ö£©     0.43  ¡­¡­£¨2·Ö£©

 »¬¿éÉϵÄÕÚ¹âÌõ³õʼλÖõ½¹âµçÃŵľàÀës  »¬¿éµÄÖÊÁ¿M    ¡­¡­£¨2·Ö£©

£¨3£© mgs    ¡­¡­£¨2·Ö£©   ´íÎó£¡Î´ÕÒµ½ÒýÓÃÔ´¡£   ¡­¡­£¨3·Ö£©

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©ÔÚ¡°Ãè»æСµÆÅݵķü°²ÌØÐÔÇúÏß¡±ÊµÑéÖУ¬Óõ¼Ïßa¡¢b¡¢c¡¢d¡¢e¡¢f¡¢g¡¢h°´Í¼1Ëùʾ·½Ê½Á¬½Óµç·£¬µç·ÖÐËùÓÐÔªÆ÷¼þ¶¼ÍêºÃ£®
¢ÙºÏÉÏ¿ª¹Øºó£¬Èôµçѹ±íµÄʾÊýΪ2V£¬µçÁ÷±íµÄÖ¸ÕëÓÐ΢Сƫת£¬Ð¡µÆÅݲ»ÁÁ£¬ÔòÒ»¶¨¶Ï·µÄµ¼ÏßΪ
d
d
£®
¢ÚºÏÉÏ¿ª¹Øºó£¬Èô·´¸´µ÷½Ú»¬¶¯±ä×èÆ÷£¬Ð¡µÆÅÝÁÁ¶È·¢Éú±ä»¯£¬µ«µçѹ±í¡¢µçÁ÷±íµÄʾÊý²»Äܵ÷ΪÁ㣬Ôò¶Ï·µÄµ¼ÏßΪ
g
g
£®
¢ÛÇëÔÚÏÂÃæµÄÐéÏß¿òÄÚ»­³öʵÑéÔ­Àíͼ

£¨2£©Ä³ÊµÑéС×éÀûÓÃÈçͼ8¼×ËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ»úеÄÜÊغ㣮ͼÒÒËùʾÊÇÓÃÓα꿨³ß²âÁ¿ÕÚ¹âÌõµÄ¿í¶È£¬Æä¶ÁÊýΪd=
0.52
0.52
 cm£»ÊµÑéʱ½«»¬¿é´ÓͼʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ä¡÷t=1.2¡Á10-2 s£¬Ôò»¬¿é¾­¹ý¹âµçÃÅʱµÄ˲ʱËÙ¶ÈΪ
0.43
0.43
 m/s£®ÔÚ±¾ÊµÑéÖУ¬ÎªÁËÑé֤ϵͳµÄ»úеÄÜÊÇ·ñÊغ㣬ÐèÒª²âÁ¿µÄÎïÀíÁ¿³ýÁ˹³ÂëµÄÖÊÁ¿Í⣬»¹ÐèÒª²âÁ¿
»¬¿éÉÏÕÚ¹âÌõµÄ³õʼλÖõ½¹âµçÃŵľàÀë
»¬¿éÉÏÕÚ¹âÌõµÄ³õʼλÖõ½¹âµçÃŵľàÀë
ºÍ
»¬¿éµÄÖÊÁ¿
»¬¿éµÄÖÊÁ¿
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2014½ì¶È±±¾©ÊÐͨÖÝÇø¸ßÈý1Ô·ÝÃþµ×¿¼ÊÔÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

ijʵÑéС×éÀûÓÃÈçͼ8ËùʾµÄ×°ÖýøÐС°Ì½¾¿¼ÓËÙ¶ÈÓëºÏÍâÁ¦µÄ¹Øϵ¡±µÄʵÑé¡£

£¨1£©ÔÚʵÑéÖбØÐëÏû³ýĦ²ÁÁ¦µÄÓ°Ï죬ͨ³£¿ÉÒÔ½«Ä¾°åÊʵ±Çãб£¬Ê¹Ð¡³µÔÚ²»ÊÜÀ­Á¦×÷ÓÃʱÄÜÔÚľ°åÉϽüËÆ×ö       Ô˶¯¡£

£¨2£©ÎªÁ˼õСÎó²î£¬ÔÚƽºâĦ²ÁÁ¦ºó£¬Ã¿´ÎʵÑéÐèͨ¹ý¸Ä±ä¹³ÂëµÄ¸öÊýÀ´¸Ä±äС³µËùÊܺÏÍâÁ¦£¬»ñÈ¡¶à×éÊý¾Ý¡£ÈôС³µÖÊÁ¿Îª400g£¬ÊµÑéÖÐÿ´ÎËùÓõĹ³Âë×ÜÖÊÁ¿·¶Î§Ó¦Ñ¡       ×é»á±È½ÏºÏÀí¡££¨ÌîÑ¡ÏîÇ°µÄ×Öĸ£©

A£®10g¡«40g      B£®200g¡«400g       C£®1000g¡«2000g

£¨3£©Í¼9Öиø³öµÄÊÇʵÑéÖлñÈ¡µÄÖ½´øµÄÒ»²¿·Ö£¬A¡¢B¡¢C¡¢D¡¢EÊǼÆÊýµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôÊÇ0.1s£¬ÓɸÃÖ½´ø¿ÉÇóµÃ´òµã¡°C¡±Ê±Ð¡³µµÄËÙ¶Èvc£½      m/s£¬Ð¡³µµÄ¼ÓËÙ¶Èa=          m/s2¡££¨±£ÁôÈýλÓÐЧÊý×Ö£©

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012Äêɽ¶«Ê¡ÁÙÒÊÊÐÒÊË®ÈýÖи߿¼ÎïÀíÄ£ÄâÊÔ¾í£¨12Ô·ݣ©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

£¨1£©ÔÚ¡°Ãè»æСµÆÅݵķü°²ÌØÐÔÇúÏß¡±ÊµÑéÖУ¬Óõ¼Ïßa¡¢b¡¢c¡¢d¡¢e¡¢f¡¢g¡¢h°´Í¼1Ëùʾ·½Ê½Á¬½Óµç·£¬µç·ÖÐËùÓÐÔªÆ÷¼þ¶¼ÍêºÃ£®
¢ÙºÏÉÏ¿ª¹Øºó£¬Èôµçѹ±íµÄʾÊýΪ2V£¬µçÁ÷±íµÄÖ¸ÕëÓÐ΢Сƫת£¬Ð¡µÆÅݲ»ÁÁ£¬ÔòÒ»¶¨¶Ï·µÄµ¼ÏßΪ______£®
¢ÚºÏÉÏ¿ª¹Øºó£¬Èô·´¸´µ÷½Ú»¬¶¯±ä×èÆ÷£¬Ð¡µÆÅÝÁÁ¶È·¢Éú±ä»¯£¬µ«µçѹ±í¡¢µçÁ÷±íµÄʾÊý²»Äܵ÷ΪÁ㣬Ôò¶Ï·µÄµ¼ÏßΪ______£®
¢ÛÇëÔÚÏÂÃæµÄÐéÏß¿òÄÚ»­³öʵÑéÔ­Àíͼ

£¨2£©Ä³ÊµÑéС×éÀûÓÃÈçͼ8¼×ËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ»úеÄÜÊغ㣮ͼÒÒËùʾÊÇÓÃÓα꿨³ß²âÁ¿ÕÚ¹âÌõµÄ¿í¶È£¬Æä¶ÁÊýΪd=______ cm£»ÊµÑéʱ½«»¬¿é´ÓͼʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ä¡÷t=1.2×10-2 s£¬Ôò»¬¿é¾­¹ý¹âµçÃÅʱµÄ˲ʱËÙ¶ÈΪ______ m/s£®ÔÚ±¾ÊµÑéÖУ¬ÎªÁËÑé֤ϵͳµÄ»úеÄÜÊÇ·ñÊغ㣬ÐèÒª²âÁ¿µÄÎïÀíÁ¿³ýÁ˹³ÂëµÄÖÊÁ¿Í⣬»¹ÐèÒª²âÁ¿______ºÍ______£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011Äêɽ¶«Ê¡Î«·»Êи߿¼×¨ÏîѵÁ·£ºÊµÑ鲿·Ö£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

£¨1£©ÔÚ¡°Ãè»æСµÆÅݵķü°²ÌØÐÔÇúÏß¡±ÊµÑéÖУ¬Óõ¼Ïßa¡¢b¡¢c¡¢d¡¢e¡¢f¡¢g¡¢h°´Í¼1Ëùʾ·½Ê½Á¬½Óµç·£¬µç·ÖÐËùÓÐÔªÆ÷¼þ¶¼ÍêºÃ£®
¢ÙºÏÉÏ¿ª¹Øºó£¬Èôµçѹ±íµÄʾÊýΪ2V£¬µçÁ÷±íµÄÖ¸ÕëÓÐ΢Сƫת£¬Ð¡µÆÅݲ»ÁÁ£¬ÔòÒ»¶¨¶Ï·µÄµ¼ÏßΪ______£®
¢ÚºÏÉÏ¿ª¹Øºó£¬Èô·´¸´µ÷½Ú»¬¶¯±ä×èÆ÷£¬Ð¡µÆÅÝÁÁ¶È·¢Éú±ä»¯£¬µ«µçѹ±í¡¢µçÁ÷±íµÄʾÊý²»Äܵ÷ΪÁ㣬Ôò¶Ï·µÄµ¼ÏßΪ______£®
¢ÛÇëÔÚÏÂÃæµÄÐéÏß¿òÄÚ»­³öʵÑéÔ­Àíͼ

£¨2£©Ä³ÊµÑéС×éÀûÓÃÈçͼ8¼×ËùʾµÄʵÑé×°ÖÃÀ´ÑéÖ¤¹³ÂëºÍ»¬¿éËù×é³ÉµÄϵͳ»úеÄÜÊغ㣮ͼÒÒËùʾÊÇÓÃÓα꿨³ß²âÁ¿ÕÚ¹âÌõµÄ¿í¶È£¬Æä¶ÁÊýΪd=______ cm£»ÊµÑéʱ½«»¬¿é´ÓͼʾλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ä¡÷t=1.2×10-2 s£¬Ôò»¬¿é¾­¹ý¹âµçÃÅʱµÄ˲ʱËÙ¶ÈΪ______ m/s£®ÔÚ±¾ÊµÑéÖУ¬ÎªÁËÑé֤ϵͳµÄ»úеÄÜÊÇ·ñÊغ㣬ÐèÒª²âÁ¿µÄÎïÀíÁ¿³ýÁ˹³ÂëµÄÖÊÁ¿Í⣬»¹ÐèÒª²âÁ¿______ºÍ______£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸