£¨2012?ºþÀïÇøÄ£Ä⣩СÓêͬѧÓÃÈçͼËùʾµÄ×°ÖöԱù¼ÓÈÈ£¬¸ù¾ÝʵÑé¼Ç¼·Ö±ð»æÖÆÁ˱ùÈÛ»¯Ê±ºÍË®·ÐÌÚʱζÈËæʱ¼ä±ä»¯µÄͼÏó£¬Èçͼ±û¡¢¶¡Ëùʾ£®ÇëÄã»Ø´ð£º

£¨1£©Í¼ÒÒÖУ¬Î¶ȼƵÄʾÊýΪ
92
92
¡æ£®
£¨2£©ÔÚͼ±ûÖУ¬
BC
BC
¶Î±íʾ±ùµÄÈÛ»¯¹ý³Ì£¨Ñ¡Ìî¡°AB¡±¡¢¡°BC¡±»ò¡°CD¡±£©£»ÔÚµÚ10·ÖÖÓ£¬±­ÀïµÄÎïÖÊ´¦ÓÚ
¹ÌÒº»ìºÏ̬
¹ÌÒº»ìºÏ̬
£¨Ñ¡Ìî¡°¹Ì̬¡±¡¢¡°ÒºÌ¬¡±»ò¡°¹ÌÒº»ìºÏ̬¡±£©£®
£¨3£©ÓÉͼ¶¡¿ÉÖª£¬Ë®µÄ·ÐµãÊÇ
98
98
¡æ£¬Õâ˵Ã÷µ±Ê±Ë®ÃæÉÏ·½µÄÆøѹ
СÓÚ
СÓÚ
£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©Ò»¸ö±ê×¼´óÆøѹ£»ÔÚFG¶Î£¬Ë®µÄÄÚÄÜ
Ôö´ó
Ôö´ó
£¨Ñ¡Ìî¡°Ôö´ó¡±»ò¡¢¡°±£³Ö²»±ä¡±»ò¡°¼õС¡±£©£®
£¨4£©æÃæÃÆÀ¹ÀСÓêµÄͼÏóʱָ³ö£¬Í¼Ïó¶¡ÖеÄGH¶Î²»ÊǸù¾ÝʵÑéµÄ²âÁ¿Êý¾Ý»­³öÀ´µÄ£¬æÃæÃÕâô˵µÄÀíÓÉÊÇ
Ë®·ÐÌÚʱζȱ£³Ö²»±ä
Ë®·ÐÌÚʱζȱ£³Ö²»±ä
£®
·ÖÎö£º£¨1£©Î¶ȼƵĶÁÊý£ºÊ×ÏÈÈ·¶¨ÁãÉÏ»¹ÊÇÁãÏ£¬È·¶¨Ã¿Ò»¸ö´ó¸ñºÍÿһ¸öС¸ñ¸÷´ú±íµÄʾÊý£®£¨2£©¾§ÌåÈÛ»¯Ê±²»¶ÏÎüÊÕÈÈÁ¿Î¶ȱ£³Ö²»±ä£»¾§ÌåÔÚÈÛ»¯¹ý³ÌÖд¦ÓÚ¹ÌÒº¹²´æ״̬£®
£¨3£©¢ÙÒºÌå·ÐÌÚʱ£¬ÎüÊÕÈÈÁ¿Î¶ȱ£³Ö²»±ä£¬Õâ¸ö²»±äµÄζÈÊÇÒºÌåµÄ·Ðµã£®
¢ÚÒ»±ê×¼´óÆøѹÏÂË®µÄ·ÐµãÊÇ100¡æ£¬·Ðµã¸úÆøѹÓйأ¬ÆøѹԽµÍ£¬·ÐµãÔ½µÍ£®
¢Û¸Ä±äÄÚÄܵÄÁ½ÖÖ·½·¨£ºÈÈ´«µÝºÍ×ö¹¦£®
£¨4£©ÒºÌå·ÐÌÚʱ£¬ÎüÊÕÈÈÁ¿Î¶ȱ£³Ö²»±ä£®¸ù¾ÝÕâ¸öÌصã½øÐзÖÎö£®
½â´ð£º½â£º£¨1£©Áã¿Ì¶ÈÔÚζȼƵÄÏ·½£¬ÒºÖùÔ¶ÀëÁã¿Ì¶È£¬ÊÇÁãÉÏ£¬Ã¿Ò»¸ö´ó¸ñ´ú±í10¡æ£¬Ã¿Ò»¸öС¸ñ´ú±í1¡æ£¬Ê¾ÊýÊÇ92¡æ£®
£¨2£©Èç±ûͼ£¬±ùÔÚBC¶ÎÎüÊÕÈÈÁ¿£¬Î¶ȱ£³Ö²»±ä£¬ËùÒÔBC¶Î±ù´¦ÓÚÈÛ»¯¹ý³Ì£®±ùÈÛ»¯Ê±£¬¹ÌÒº¹²´æ£¬ÊǹÌÒº»ìºÏ̬£®
£¨3£©¢ÙÈ綡ͼ£¬Ë®ÔÚFG¶Î£¬²»¶ÏÎüÊÕÈÈÁ¿£¬Î¶ȱ£³Ö98¡æ²»±ä£¬ËùÒÔ´ËʱˮµÄ·ÐµãÊÇ98¡æ£®
¢ÚÒ»±ê×¼´óÆøѹÏÂË®µÄ·ÐµãÊÇ100¡æ£®ÓÖÒòΪÆøѹԽµÍ£¬·ÐµãÔ½µÍ£¬ËùÒÔ´Ëʱ´óÆøѹµÍÓÚÒ»±ê×¼´óÆøѹ£®
¢ÛÔÚFG¶Î£¬Ë®²»¶Ï´Ó¾Æ¾«µÆÎüÊÕÈÈÁ¿£¬Ë®ÎüÊÕÈÈÁ¿£¬ÄÚÄÜÔö´ó£®
£¨4£©ÒòΪˮ·ÐÌÚʱ£¬²»¶ÏÎüÊÕÈÈÁ¿£¬Î¶ȱ£³Ö²»±ä£¬²»»á³öÏÖÉý¸ßµÄÏÖÏó£¬ËùÒÔGH¶Î²»ÊǸù¾ÝʵÑéµÄ²âÁ¿Êý¾Ý»­³öÀ´µÄ£®
¹Ê´ð°¸Îª£º£¨1£©92£»£¨2£©BC£»¹ÌÒº»ìºÏ̬£»£¨3£©98£»Ð¡ÓÚ£»Ôö´ó£»£¨4£©Ë®·ÐÌÚʱζȱ£³Ö²»±ä£®
µãÆÀ£º£¨1£©ÄÜ·ÖÎö¾§ÌåÈÛ»¯Í¼ÏóºÍÒºÌå·ÐÌÚµÄͼÏó£¬Ã÷È·¸÷¶ÎÎïÖʵÄ״̬£®
£¨2£©ÕÆÎÕ¾§ÌåÈÛ»¯Ìõ¼þºÍÌص㡢ÕÆÎÕÒºÌå·ÐÌÚÌõ¼þºÍÌص㣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?ºþÀïÇøÄ£Ä⣩Áº´úÊ«ÈËÍõ¼®µÄÊ«¾ä¡°²õÔëÁÖÓú¾²£¬ÄñÃùɽ¸üÓÄ¡±ÊÇëÚÖËÈË¿ÚµÄÃû¾ä£®ÕâÀïµÄ¡°¾²¡±Óë¡°ÓÄ¡±Ö÷Òª·´Ó¦µÄÊÇÉùÒôµÄ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?ºþÀïÇøÄ£Ä⣩Æû³µÐÐʻʱ£¬³µÄڳ˿ͻá¾õµÃ·±ßÊ÷ľ¿ìËÙºóÍË£¬ÕâÊÇÒÔ
³µ
³µ
Ϊ²ÎÕÕÎÈôËüÔÈËÙÐÐÊ»5sͨ¹ýÁË 60m£¬ÔòÆû³µµÄËÙ¶ÈΪ
12
12
m/s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?ºþÀïÇøÄ£Ä⣩ÈçͼËùʾµç·ÖУ¬µçÔ´µçѹ±£³Ö²»±ä£¬±ÕºÏ¿ª¹ØSºó£¬½«»¬¶¯±ä×èÆ÷R2µÄ»¬Æ¬PÏòÓÒÒƶ¯£¬Ôڴ˹ý³ÌÖУ¬µçÁ÷A±íʾÊý
±ä´ó
±ä´ó
£¬µçѹ±íV2ʾÊý
±äС
±äС
£®£¨ÒÔÉÏÁ½¸ñÑ¡Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?ºþÀïÇøÄ£Ä⣩Äæ·çÆï×ÔÐгµÊ±£¬·çËÙÔ½´ó£¬ÐÐ×ßÔ½À§ÄÑ£¬ÕâÊÇÒòΪÊܵ½¿ÕÆø×èÁ¦µÄ×÷Óã®ÎïÌåËùÊÜ¿ÕÆø×èÁ¦´óСÓëÄÄЩÒòËØÓйØÄØ£¿Ð¡Ã÷²ÂÏë¿ÉÄÜÓë·çËÙÓйأ®ÎªÑéÖ¤ÒÔÉϲÂÏ룬С»ªÑ¡ÓÃÁËÈçÏÂÆ÷²Ä£º¿Éµ÷ËÙµç·çÉÈ£¨¸ß¡¢ÖС¢µÍÈýµµ£©¡¢µ¯»É²âÁ¦¼Æ¡¢¹â»¬²£Á§°å¡¢Ð¡³µ£®Éè¼ÆÁËÈçͼËùʾʵÑ飮

£¨1£©Ð¡»ªÓõç·çÉÈÏòС³µ¼°µ²°å´µ·ç£¬À´Ì½¾¿Ð¡³µÔ˶¯Ê±Êܵ½µÄ¿ÕÆø×èÁ¦£®ËûÏò×óˮƽÔÈËÙÀ­¶¯µ¯»É²âÁ¦¼Æ£¬¸ù¾Ý
¶þÁ¦Æ½ºâ
¶þÁ¦Æ½ºâ
µÄ֪ʶ£¬Í¨¹ýµ¯»É²âÁ¦¼Æ¼´¿É²â³öС³µÊܵ½µÄ¿ÕÆø×èÁ¦£®
£¨2£©Ð¡»ªÔÚ̽¾¿¡°Ð¡³µËùÊÜ¿ÕÆø×èÁ¦Óë·çËÙ¡±¹Øϵʱ£¬±£³ÖÆäËüÌõ¼þÏàͬÇé¿öÏ£¬²âµÃÊý¾ÝÈçÏ£º
·çËÙ µÍ ÖÐ ¸ß
С³µÊܵ½µÄ¿ÕÆø×èÁ¦/N 0.8 2.2 3.8
ͨ¹ý¶Ô±íÖÐÊý¾Ý·ÖÎö£¬¿ÉµÃ³öµÄ½áÂÛÊÇ£º
ÔÚÓ­·çÃæ»ýÏàͬʱ£¬·çËÙÔ½´ó£¬×èÁ¦Ô½´ó
ÔÚÓ­·çÃæ»ýÏàͬʱ£¬·çËÙÔ½´ó£¬×èÁ¦Ô½´ó
£®
£¨3£©ÄãÈÏΪӰÏìÎïÌåËùÊÜ¿ÕÆø×èÁ¦´óСµÄÒòËØ¿ÉÄÜ»¹ÓÐ
ÎïÌåµÄÐÎ×´£¨»ò¿ÕÆøµÄζȵȣ©
ÎïÌåµÄÐÎ×´£¨»ò¿ÕÆøµÄζȵȣ©
£¨Ð´³öÒ»¸ö£©£®
£¨4£©Èç¹ûÔÚ²½Ö裨1£©ÖУ¬Èç¹û°Ñ¹â»¬²£Á§°å»»³É´Ö²ÚµÄľ°å£¬Ôò²âÁ¦¼ÆµÄ¶ÁÊý
´óÓÚ
´óÓÚ
С³µÊܵ½µÄ¿ÕÆø×èÁ¦£®£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?ºþÀïÇøÄ£Ä⣩ÈçͼËùʾ£¬µçÔ´µçѹ²»±ä£¬R1=30¦¸£¬¿ª¹ØS¶Ï¿ªÊ±£¬µçÁ÷±íʾÊý0.4A£¬S±ÕºÏʱ£¬µçÁ÷±íʾÊý1.2A£®Çó£º
£¨1£©µçÔ´µçѹU£»
£¨2£©R2×èÖµ£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸