£¨09ÄêÑïÖÝÖÐѧÔ¿¼£©£¨10·Ö£©ÔÚÒ»´Î¿ÎÍâ»î¶¯ÖУ¬Ä³Í¬Ñ§ÓÃͼ¼×ËùʾװÖòâÁ¿·ÅÔÚˮƽ¹â»¬×ÀÃæÉÏÌú¿éAÓë½ðÊô°åB¼äµÄ¶¯Ä¦²ÁÒòÊý¡£ÒÑÖªÌú¿éAµÄÖÊÁ¿mA=1kg£¬½ðÊô°åBµÄÖÊÁ¿mB=0.5kg¡£ÓÃˮƽÁ¦FÏò×óÀ­½ðÊô°åB£¬Ê¹ÆäÏò×óÔ˶¯£¬µ¯»É³ÓµÄʾÊýÈçͼ¼×Ëùʾ£¬ÔòA¡¢B¼äµÄĦ²ÁÁ¦F¦Ì=_______N£¬A¡¢B¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì=       ¡££¨gÈ¡10m/s2£©¡£¸Ãͬѧ»¹½«Ö½´øÁ¬½ÓÔÚ½ðÊô°åBµÄºóÃ棬ͨ¹ý´òµã¼ÆʱÆ÷Á¬Ðø´òÏÂһϵÁеĵ㣬²âÁ¿½á¹ûÈçͼÒÒËùʾ£¬Í¼Öи÷¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ0.1s£¬¿ÉÇóµÃÀ­½ðÊô°åµÄˮƽÁ¦F=     N

    ´ð°¸£º2.50    0.25   3.50
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨09ÄêÑïÖÝÖÐѧÔ¿¼£©£¨11·Ö£©Ä³Í¬Ñ§ÔÚÀûÓÃDISʵÑéµÄµçѹ¡¢µçÁ÷´«¸ÐÆ÷£¬Ãè»æСµÆÅݵķü°²ÌØÐÔÇúÏßµÄʵÑéÖУ¬²ÉÓÃÁËͼ¼×Ëùʾµç·¡£

 

£¨1£©Í¼¼×ÖÐE¾ØÐοòÄÚÓ¦¸Ã½Ó               £¬F¾ØÐοòÄÚÓ¦¸Ã½Ó               ¡££¨Ñ¡Ìî¡°µçѹ´«¸ÐÆ÷¡±¡¢¡°µçÁ÷´«¸ÐÆ÷¡±»ò¡°Ð¡µÆÅÝ¡±£©

£¨2£©¸ÃͬѧÀûÓòâÁ¿µÄÊý¾Ý£¬»­³öÈçͼÒÒµÄͼÏߣ¬µ«¸ÃͬѧÍü¼ÇÔÚ×ø±êÉϱêÃ÷ºá×ø±êºÍ×Ý×ø±êËù±íʾÎïÀíÁ¿¡£ÇëÄã¸ù¾ÝͼÏß×÷³öÅжϣººá×ø±ê±íʾ____________£¬×Ý×ø±ê±íʾ_________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨09ÄêÑïÖÝÖÐѧÔ¿¼£©Ä³Ò»µçÔ´µÄ·¶ËµçѹÓëµçÁ÷µÄ¹ØϵºÍµç×èR1¡¢R2µÄµçѹÓëµçÁ÷µÄ¹ØϵÈçͼËùʾ¡£Óô˵çÔ´ºÍµç×èR1¡¢R2×é³Éµç·¡£R1¡¢R2¿ÉÒÔͬʱ½ÓÈëµç·£¬Ò²¿ÉÒÔµ¥¶À½ÓÈëµç·¡£ÎªÊ¹µçÔ´Êä³ö¹¦ÂÊ×î´ó£¬¿É²ÉÓõĽӷ¨ÊÇ

A£®½«R1µ¥¶À½Óµ½µçÔ´Á½¶Ë

B£®½«R2µ¥¶À½Óµ½µçÔ´Á½¶Ë

 C£®½«R1¡¢R2´®Áªºó½Óµ½µçÔ´Á½¶Ë

 D£®½«R1¡¢R2²¢Áªºó½Óµ½µçÔ´Á½¶Ë

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨09ÄêÑïÖÝÖÐѧÔ¿¼£©£¨4·Ö£©ÈçͼËùʾ£¬Ò»Ï¸Êøºì¹âºÍһϸÊøÀ¶¹âƽÐÐÉ䵽ͬһ¸öÈýÀâ¾µÉÏ£¬¾­ÕÛÉäºó½»ÓÚ¹âÆÁÉϵÄͬһ¸öµãM£¬ÈôÓÃn1ºÍn2·Ö±ð±íʾÈýÀâ¾µ¶Ôºì¹âºÍÀ¶¹âµÄÕÛÉäÂÊ£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ___________

A£®n1<n2£¬aΪºì¹â£¬bΪÀ¶¹â     B£®n1<n2£¬aΪÀ¶¹â£¬bΪºì¹â

C£®n1>n2£¬aΪºì¹â£¬bΪÀ¶¹â     D£®n1>n2£¬aΪÀ¶¹â£¬bΪºì¹â 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨09ÄêÑïÖÝÖÐѧÔ¿¼£©£¨4·Ö£©¹ØÓÚÔ­×ÓºÍÔ­×Ӻˣ¬ÏÂÁÐ˵·¨ÕýÈ·µÄÓÐ___________

A£®ÌÀÄ·Ëï·¢ÏÖµç×Óºó²ÂÏë³öÔ­×ÓÄÚµÄÕýµçºÉ¼¯ÖÐÔÚºÜСµÄºËÄÚ

B£®¦ÁÁ£×ÓÉ¢ÉäʵÑéÖÐÉÙÊý¦ÁÁ£×Ó·¢ÉúÁ˽ϴóƫתÊǬɪ¸£²ÂÏëÔ­×ÓºËʽ½á¹¹Ä£Ð͵ÄÖ÷ÒªÒÀ¾Ý

C£®·ÅÉäÐÔÔªËØ·¢ÉúË¥±äʱ£¬ÓÉÓÚÖÊÁ¿¿÷Ëð£¬ÖÊÁ¿Êý²»Êغã

D£®²£¶ûÔ­×ÓÀíÂÛÎÞ·¨½âÊͽϸ´ÔÓÔ­×ӵĹâÆ×ÏÖÏó£¬ËµÃ÷²£¶ûÌá³öµÄÔ­×Ó¶¨Ì¬¸ÅÄîÊÇ´íÎóµÄ

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸