I£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±ÊµÑéÖУ¬Óõ½µÄÎïÀíÑо¿·½·¨ÊÇ
µÈЧÌæ´ú·¨
µÈЧÌæ´ú·¨
£®È»ºóͨ¹ýϸÏßÓÃÁ½¸ö»¥³É½Ç¶ÈµÄµ¯»É³ÓÀ´À­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤µ½Ä³Ò»µãO£¬´ËʱÐè¼Ç¼£º
£¨1£©
½áµãOµÄλÖÃ
½áµãOµÄλÖÃ
£¬£¨2£©
À­Á¦F1¡¢F2µÄ·½Ïò
À­Á¦F1¡¢F2µÄ·½Ïò
£¬£¨3£©
Á½°Ñµ¯»É³ÓµÄʾÊý
Á½°Ñµ¯»É³ÓµÄʾÊý
£®
II£®ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÎïÌåÖÊÁ¿¡¢ÎïÌåËùÊܺÏÁ¦µÄ¹Øϵ¡±»î¶¯ÖУ¬Ä³Ð¡×éÉè¼ÆÁËÈçͼ¼×ËùʾµÄʵÑé×°Öã®Í¼ÖÐÉÏÏÂÁ½²ãˮƽ¹ìµÀ±íÃæ¹â»¬£¬Á½Ð¡³µÇ°¶ËϵÉÏϸÏߣ¬Ï¸Ïß¿ç¹ý»¬ÂÖ²¢¹ÒÉÏíÀÂëÅÌ£¬Á½Ð¡³µÎ²²¿Ï¸ÏßÁ¬µ½¿ØÖÆ×°ÖÃÉÏ£¬ÊµÑéʱͨ¹ý¿ØÖÆ×°ÖÃʹÁ½Ð¡³µÍ¬Ê±¿ªÊ¼Ô˶¯£¬È»ºóͬʱֹͣ£®

£¨1£©ÔÚ°²×°ÊµÑé×°ÖÃʱ£¬Ó¦µ÷Õû»¬Âֵĸ߶ȣ¬Ê¹
ϸÏßÓë¹ìµÀƽÐУ¨»òˮƽ£©
ϸÏßÓë¹ìµÀƽÐУ¨»òˮƽ£©
£»ÔÚʵÑéʱ£¬Îª¼õСϵͳÎó²î£¬Ó¦Ê¹íÀÂëÅ̺ÍíÀÂëµÄ×ÜÖÊÁ¿
ԶСÓÚ
ԶСÓÚ
С³µµÄÖÊÁ¿£¨Ñ¡Ìî¡°Ô¶´óÓÚ¡±¡¢¡°Ô¶Ð¡ÓÚ¡±¡¢¡°µÈÓÚ¡±£©£®
£¨2£©±¾ÊµÑéͨ¹ý±È½ÏÁ½Ð¡³µµÄλÒÆÀ´±È½ÏС³µ¼ÓËٶȵĴóС£¬ÄÜÕâÑù±È½Ï£¬ÊÇÒòΪ
Á½Ð¡³µ´Ó¾²Ö¹¿ªÊ¼×÷ÔȼÓËÙÖ±ÏßÔ˶¯£¬ÇÒÁ½Ð¡³µµÄÔ˶¯Ê±¼äÏàµÈ
Á½Ð¡³µ´Ó¾²Ö¹¿ªÊ¼×÷ÔȼÓËÙÖ±ÏßÔ˶¯£¬ÇÒÁ½Ð¡³µµÄÔ˶¯Ê±¼äÏàµÈ
£®
£¨3£©ÊµÑéÖлñµÃÊý¾ÝÈçϱíËùʾ£º
С³µ¢ñ¡¢¢òµÄÖÊÁ¿m¾ùΪ200g£®
ʵÑé´ÎÊý С³µ À­Á¦F/N λÒÆs/cm
1 ¢ñ 0.1
¢ò 0.2 46.51
2 ¢ñ 0.2 29.04
¢ò 0.3 43.63
3 ¢ñ 0.3 41.16
¢ò 0.4 44.80
4 ¢ñ 0.4 36.43
¢ò 0.5 45.56
ÔÚµÚ1´ÎʵÑéÖÐС³µ¢ñ´ÓͼÒÒÖеÄAµãÔ˶¯µ½Bµã£¬Ç뽫²âÁ¿½á¹ûÌîµ½±íÖпոñ´¦£®Í¨¹ý·ÖÎö£¬¿ÉÖª±íÖеÚ
3
3
´ÎʵÑéÊý¾Ý´æÔÚÃ÷ÏÔ´íÎó£¬Ó¦ÉáÆú£®
·ÖÎö£º£¨1£©Ã÷ȷʵÑéÄ¿µÄÒÔ¼°ÊµÑéÔ­Àí£¬Êý¾Ý´¦ÀíÊÇ°´ÕÕÁ¦µÄͼʾ»­³ö³öF1¡¢F2¼°F£¬²¢ÓÃƽÐÐËıßÐλ­³öºÏÁ¦F¡ä£¬ÕâÑù¾ÍÐèÒª¼Ç¼Á¦µÄ´óСºÍ·½Ïò£®
£¨2£©½â¾öʵÑéÎÊÌâÊ×ÏÈÒªÕÆÎÕ¸ÃʵÑéÔ­Àí£¬Á˽âʵÑéµÄ²Ù×÷²½ÖèºÍÊý¾Ý´¦ÀíÒÔ¼°×¢ÒâÊÂÏ¸ÃʵÑé²ÉÓõÄÊÇ¿ØÖƱäÁ¿·¨Ñо¿£¬ÆäÖмÓËٶȡ¢ÖÊÁ¿¡¢ºÏÁ¦ÈýÕߵIJâÁ¿ºÜÖØÒª£®
½â´ð£º½â£ºI£®£¨1£©ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±ÊµÑéÖУ¬Óõ½µÄÎïÀíÑо¿·½·¨ÊǵÈЧÌæ´ú·¨£¬Êý¾Ý´¦ÀíÊÇ°´ÕÕÁ¦µÄͼʾ»­³ö³öF1¡¢F2¼°F£¬²¢ÓÃƽÐÐËıßÐλ­³öºÏÁ¦F¡ä£¬ÕâÑù¾ÍÐèÒª¼Ç¼Á¦µÄ´óСºÍ·½Ïò£®ËùÒÔ£ºÓÃÁ½Ö»µ¯»É³Ó»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÏðƤÌõÓëϸÉþµÄ½áµãÉ쳤µ½Ö½ÃæÄÚijµãOÕâʱӦ¼ÇÏ£º½áµãOµÄλÖã¬Á½Ö»µ¯»É³ÓµÄ¶ÁÊý£¬Á½ÌõϸÉþµÄ·½Ïò£®
II£®£¨1£©ÔÚ°²×°ÊµÑé×°ÖÃʱ£¬Ó¦µ÷Õû»¬Âֵĸ߶ȣ¬Ê¹Ï¸ÏßÓë¹ìµÀƽÐУ¨»òˮƽ£©£¬Èç¹ûϸÏß²»±£³Öˮƽ£¬ÄÇôС³µµÄºÏÁ¦¾Í²»µÈÓÚÉþ×ÓµÄÀ­Á¦£¬Ð¡³µµÄºÏÁ¦¾Í²»ÄÜÕýÈ·²âÁ¿£®µ±m£¼£¼Mʱ£¬¼´µ±íÀÂëÅ̺ÍíÀÂëµÄ×ÜÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄÖØÁ¦£¬Éþ×ÓµÄÀ­Á¦½üËƵÈÓÚíÀÂëÅ̺ÍíÀÂëµÄ×ÜÖØÁ¦£®
£¨2£©±¾ÊµÑéͨ¹ý±È½ÏÁ½Ð¡³µµÄλÒÆÀ´±È½ÏС³µ¼ÓËٶȵĴóС£¬ÄÜÕâÑù±È½Ï£¬ÊÇÒòΪÁ½Ð¡³µ´Ó¾²Ö¹¿ªÊ¼×÷ÔȼÓËÙÖ±ÏßÔ˶¯£¬ÇÒÁ½Ð¡³µµÄÔ˶¯Ê±¼äÏàµÈ£®
£¨3£©´Ó¿Ì¶È³ß¶Á³öAµãµÄ¶ÁÊýΪ0.49cm£¬BµãµÄ¶ÁÊýΪ23.85cm£¬ËùÒÔµãÔ˶¯µ½BµãµÄλÒÆΪ23.36cm£®
µ±Ð¡³µÖÊÁ¿Ò»¶¨Ê±£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëºÏÁ¦³ÉÕý±È£¬
¶øÁ½Ð¡³µ´Ó¾²Ö¹¿ªÊ¼×÷ÔȼÓËÙÖ±ÏßÔ˶¯£¬ÇÒÁ½Ð¡³µµÄÔ˶¯Ê±¼äÏàµÈ£¬ËùÒÔÁ½Ð¡³µµÄλÒÆÖ®±ÈµÈÓÚ¼ÓËÙ¶ÈÖ®±È£¬
ËùÒÔÀ­Á¦Ö®±ÈÓ¦¸Ã½üËƵÈÓÚλÒÆÖ®±È£¬´ÓʵÑéÊý¾ÝÖз¢ÏÖµÚ3´ÎʵÑéÊý¾Ý´æÔÚÃ÷ÏÔ´íÎó£¬Ó¦ÉáÆú£®
¹Ê´ð°¸Îª£ºI£®µÈЧÌæ´ú·¨£»½áµãOµÄλÖã»À­Á¦F1¡¢F2µÄ·½Ïò£»Á½°Ñµ¯»É³ÓµÄʾÊý
II£®£¨1£©Ï¸ÏßÓë¹ìµÀƽÐУ¨»òˮƽ£©¡¡¡¡Ô¶Ð¡ÓÚ¡¡¡¡ 
£¨2£©Á½Ð¡³µ´Ó¾²Ö¹¿ªÊ¼×÷ÔȼÓËÙÖ±ÏßÔ˶¯£¬ÇÒÁ½Ð¡³µµÄÔ˶¯Ê±¼äÏàµÈ¡¡
£¨3£©23.36£¨23.34-23.38¾ù¶Ô£©¡¡¡¡¡¡3
µãÆÀ£ºÃ÷ȷʵÑéÄ¿µÄºÍʵÑé²½ÖèÊǶÔʵÑéµÄ»ù±¾ÒªÇó£¬Í¬Ñ§ÃÇÒªÔÚʵ¼ÊʵÑé²Ù×÷È¥Àí½âʵÑéÄ¿µÄºÍʵÑé²½Ö裬ÕâÑù²ÅÄܶÔʵÑéÓÐÉî¿ÌµÄÀí½â£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

I£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±ÊµÑéÖУ¬Óõ½µÄÎïÀíÑо¿·½·¨ÊÇ                 ¡£È»ºóͨ¹ýϸÏßÓÃÁ½¸ö»¥³É½Ç¶ÈµÄµ¯»É³ÓÀ´À­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤µ½Ä³Ò»µãO£¬´ËʱÐè¼Ç¼£º

£¨1£©_________________£¬£¨2£©       ¡¡          £¬£¨3£©                   ¡£

 II.ÔÚ¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯¼ÓËٶȡ±µÄʵÑéÖУº

 ¢Ù³ý´òµã¼ÆʱÆ÷£¨º¬Ö½´ø¡¢¸´Ð´Ö½£©¡¢Ð¡³µ¡¢Ò»¶Ë¸½Óл¬Âֵij¤Ä¾°å¡¢Ï¸Éþ¡¢¹³Âë¡¢µ¼Ïß¼°¿ª¹ØÍ⣬ÔÚÏÂÃæµÄÒÇÆ÷ºÍÆ÷²ÄÖУ¬±ØÐëʹÓõÄÓУ¨      £©¡££¨ÌîÑ¡Ïî´úºÅ2·Ö£©

        A£®µçѹºÏÊʵÄ50Hz½»Á÷µçÔ´  B£®µçѹ¿Éµ÷µÄÖ±Á÷µçÔ´

        C£®¿Ì¶È³ß   D£®Ãë±í E£®Ììƽ

  ¢ÚʵÑé¹ý³ÌÖУ¬ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ          

A£®ÏȽÓͨµçÔ´£¬ÔÙʹֽ´øÔ˶¯

B£®ÏÈʹֽ´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´

C£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü»¬ÂÖ´¦

D£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü´òµã¼ÆʱÆ÷´¦

¢ÛͼʾΪһ´ÎʵÑéµÃµ½µÄÒ»ÌõÖ½´ø£¬Ö½´øÉÏÿÏàÁÚµÄÁ½¼ÆÊýµã¼ä¶¼ÓÐËĸöµãδ»­³ö£¬°´Ê±¼ä˳ÐòÈ¡0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Æ߸ö¼ÆÊýµã£¬²â³ö1¡¢2¡¢3¡¢4¡¢5¡¢6µãµ½0µãµÄ¾àÀëÈçͼËùʾ£¨µ¥Î»£ºcm£©¡£ÓÉÖ½´øÊý¾Ý¼ÆËã¿ÉµÃ¼ÆÊýµã4Ëù´ú±íʱ¿ÌµÄ¼´Ê±ËٶȴóС           m/s£¬Ð¡³µµÄ¼ÓËٶȴóС            m/s2¡££¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

I£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±ÊµÑéÖУ¬Óõ½µÄÎïÀíÑо¿·½·¨ÊÇ                ¡£È»ºóͨ¹ýϸÏßÓÃÁ½¸ö»¥³É½Ç¶ÈµÄµ¯»É³ÓÀ´À­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤µ½Ä³Ò»µãO£¬´ËʱÐè¼Ç¼£º

£¨1£©_________________£¬£¨2£©      ¡¡          £¬£¨3£©                  ¡£

 

 II.ÔÚ¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯¼ÓËٶȡ±µÄʵÑéÖУº

 ¢Ù³ý´òµã¼ÆʱÆ÷£¨º¬Ö½´ø¡¢¸´Ð´Ö½£©¡¢Ð¡³µ¡¢Ò»¶Ë¸½Óл¬Âֵij¤Ä¾°å¡¢Ï¸Éþ¡¢¹³Âë¡¢µ¼Ïß¼°¿ª¹ØÍ⣬ÔÚÏÂÃæµÄÒÇÆ÷ºÍÆ÷²ÄÖУ¬±ØÐëʹÓõÄÓУ¨      £©¡££¨ÌîÑ¡Ïî´úºÅ2·Ö£©

        A£®µçѹºÏÊʵÄ50Hz½»Á÷µçÔ´                B£®µçѹ¿Éµ÷µÄÖ±Á÷µçÔ´

        C£®¿Ì¶È³ß               D£®Ãë±í           E£®Ììƽ

  ¢ÚʵÑé¹ý³ÌÖУ¬ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ           £¨2·Ö£©

A£®ÏȽÓͨµçÔ´£¬ÔÙʹֽ´øÔ˶¯

B£®ÏÈʹֽ´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´

C£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü»¬ÂÖ´¦

D£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü´òµã¼ÆʱÆ÷´¦

¢Û£¨6·Ö£©Í¼Ê¾ÎªÒ»´ÎʵÑéµÃµ½µÄÒ»ÌõÖ½´ø£¬Ö½´øÉÏÿÏàÁÚµÄÁ½¼ÆÊýµã¼ä¶¼ÓÐËĸöµãδ»­³ö£¬°´Ê±¼ä˳ÐòÈ¡0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Æ߸ö¼ÆÊýµã£¬²â³ö1¡¢2¡¢3¡¢4¡¢5¡¢6µãµ½0µãµÄ¾àÀëÈçͼËùʾ£¨µ¥Î»£ºcm£©¡£ÓÉÖ½´øÊý¾Ý¼ÆËã¿ÉµÃ¼ÆÊýµã4Ëù´ú±íʱ¿ÌµÄ¼´Ê±ËٶȴóС           m/s£¬Ð¡³µµÄ¼ÓËٶȴóС            m/s2¡££¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011½ì¹ã¶«Ê¡ÖÐɽÊÐʵÑé¸ßÖиßÈýÉÏѧÆÚÖп¼ÊÔÀí×Û£©ÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ

I£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±ÊµÑéÖУ¬Óõ½µÄÎïÀíÑо¿·½·¨ÊÇ                ¡£È»ºóͨ¹ýϸÏßÓÃÁ½¸ö»¥³É½Ç¶ÈµÄµ¯»É³ÓÀ´À­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤µ½Ä³Ò»µãO£¬´ËʱÐè¼Ç¼£º
£¨1£©_________________£¬£¨2£©      ¡¡         £¬£¨3£©                  ¡£
II.ÔÚ¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯¼ÓËٶȡ±µÄʵÑéÖУº
¢Ù³ý´òµã¼ÆʱÆ÷£¨º¬Ö½´ø¡¢¸´Ð´Ö½£©¡¢Ð¡³µ¡¢Ò»¶Ë¸½Óл¬Âֵij¤Ä¾°å¡¢Ï¸Éþ¡¢¹³Âë¡¢µ¼Ïß¼°¿ª¹ØÍ⣬ÔÚÏÂÃæµÄÒÇÆ÷ºÍÆ÷²ÄÖУ¬±ØÐëʹÓõÄÓУ¨     £©¡££¨ÌîÑ¡Ïî´úºÅ2·Ö£©
A£®µçѹºÏÊʵÄ50Hz½»Á÷µçÔ´                B£®µçѹ¿Éµ÷µÄÖ±Á÷µçÔ´
C£®¿Ì¶È³ß               D£®Ãë±í           E£®Ììƽ
¢ÚʵÑé¹ý³ÌÖУ¬ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ          £¨2·Ö£©
A£®ÏȽÓͨµçÔ´£¬ÔÙʹֽ´øÔ˶¯
B£®ÏÈʹֽ´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´
C£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü»¬ÂÖ´¦
D£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü´òµã¼ÆʱÆ÷´¦
¢Û£¨6·Ö£©Í¼Ê¾ÎªÒ»´ÎʵÑéµÃµ½µÄÒ»ÌõÖ½´ø£¬Ö½´øÉÏÿÏàÁÚµÄÁ½¼ÆÊýµã¼ä¶¼ÓÐËĸöµãδ»­³ö£¬°´Ê±¼ä˳ÐòÈ¡0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Æ߸ö¼ÆÊýµã£¬²â³ö1¡¢2¡¢3¡¢4¡¢5¡¢6µãµ½0µãµÄ¾àÀëÈçͼËùʾ£¨µ¥Î»£ºcm£©¡£ÓÉÖ½´øÊý¾Ý¼ÆËã¿ÉµÃ¼ÆÊýµã4Ëù´ú±íʱ¿ÌµÄ¼´Ê±ËٶȴóС          m/s£¬Ð¡³µµÄ¼ÓËٶȴóС           m/s2¡££¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄê¹ã¶«Ê¡ÖÐɽÊÐʵÑé¸ßÖиßÈýÉÏѧÆÚÖп¼ÊÔÀí×Û£©ÎïÀí¾í ÌâÐÍ£ºÑ¡ÔñÌâ

I£®ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐη¨Ôò¡±ÊµÑéÖУ¬Óõ½µÄÎïÀíÑо¿·½·¨ÊÇ                 ¡£È»ºóͨ¹ýϸÏßÓÃÁ½¸ö»¥³É½Ç¶ÈµÄµ¯»É³ÓÀ´À­ÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤µ½Ä³Ò»µãO£¬´ËʱÐè¼Ç¼£º

£¨1£©_________________£¬£¨2£©       ¡¡          £¬£¨3£©                   ¡£

 

 II.ÔÚ¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯¼ÓËٶȡ±µÄʵÑéÖУº

 ¢Ù³ý´òµã¼ÆʱÆ÷£¨º¬Ö½´ø¡¢¸´Ð´Ö½£©¡¢Ð¡³µ¡¢Ò»¶Ë¸½Óл¬Âֵij¤Ä¾°å¡¢Ï¸Éþ¡¢¹³Âë¡¢µ¼Ïß¼°¿ª¹ØÍ⣬ÔÚÏÂÃæµÄÒÇÆ÷ºÍÆ÷²ÄÖУ¬±ØÐëʹÓõÄÓУ¨      £©¡££¨ÌîÑ¡Ïî´úºÅ2·Ö£©

        A£®µçѹºÏÊʵÄ50Hz½»Á÷µçÔ´                B£®µçѹ¿Éµ÷µÄÖ±Á÷µçÔ´

        C£®¿Ì¶È³ß               D£®Ãë±í           E£®Ììƽ

  ¢ÚʵÑé¹ý³ÌÖУ¬ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ           £¨2·Ö£©

A£®ÏȽÓͨµçÔ´£¬ÔÙʹֽ´øÔ˶¯

B£®ÏÈʹֽ´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´

C£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü»¬ÂÖ´¦

D£®½«½ÓºÃÖ½´øµÄС³µÍ£ÔÚ¿¿½ü´òµã¼ÆʱÆ÷´¦

¢Û£¨6·Ö£©Í¼Ê¾ÎªÒ»´ÎʵÑéµÃµ½µÄÒ»ÌõÖ½´ø£¬Ö½´øÉÏÿÏàÁÚµÄÁ½¼ÆÊýµã¼ä¶¼ÓÐËĸöµãδ»­³ö£¬°´Ê±¼ä˳ÐòÈ¡0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Æ߸ö¼ÆÊýµã£¬²â³ö1¡¢2¡¢3¡¢4¡¢5¡¢6µãµ½0µãµÄ¾àÀëÈçͼËùʾ£¨µ¥Î»£ºcm£©¡£ÓÉÖ½´øÊý¾Ý¼ÆËã¿ÉµÃ¼ÆÊýµã4Ëù´ú±íʱ¿ÌµÄ¼´Ê±ËٶȴóС           m/s£¬Ð¡³µµÄ¼ÓËٶȴóС            m/s2¡££¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸