2008Äê9ÔÂ10ÈÕÅ·ÖÞ´óÐÍÇ¿×Ó¶Ôײ»ú˳ÀûÆô¶¯£¬ÆäÖÐÒ»ÏîÖØÒªÈÎÎñÊÇ°ïÖú¿Æѧ¼ÒÑ°ÕÒ±ê׼ģÐÍÖеĻù±¾Á£×Ó--Ï£¸ñ˹²£É«×Ó£¬±ê׼ģÐÍÔ¤ÑÔÁËÓîÖæÖÐËùÓеÄ62ÖÖ»ù±¾Á£×Ó£¬²¢ÃèÊöÁËÖ§ÅäÆä½»»¥×÷Óõķ¨Ôò£¬¿ä¿Ë¼´ÊÇÆäÖÐÖ®Ò»£¬1995Äê3ÔÂ2ÈÕ£¬ÃÀ¹ú·ÑÃ×ʵÑéÊÒÏòÈ«ÊÀ½çÐû²¼£¬ËûÃÇ֤ʵÁ˶¥¿ä¿ËµÄ´æÔÚ£®ÖÐ×ÓÄÚÓÐÒ»¸öÉÏ¿ä¿ËºÍÁ½¸öµçºÉÁ¿Îª-
13
eµÄÏ¿ä¿Ë£¬Æä¼òµ¥Ä£ÐÍÊÇÈý¸ö¿ä¿Ë¶¼Ôڰ뾶ΪrµÄͬһԲÖÜÉÏ£¬Èçͼ1Ëùʾ£®ÔòÖÐ×ÓÄÚÉÏ¿ä¿ËµÄµçºÉÁ¿Îª
 
£®Í¼2¸ø³öµÄËÄ·ùͼÖУ¬ÄÜÕýÈ·±íʾ³ö¸÷¿ä¿ËËùÊܾ²µç×÷ÓÃÁ¦µÄÊÇ
 

¾«Ó¢¼Ò½ÌÍø
·ÖÎö£ºÃ¿Ò»¸ö¿ä¿Ë¶¼Êܵ½ÆäËûÁ½¸ö¿ä¿ËµÄ¿âÂØÁ¦×÷Ó㬸ù¾Ý¿âÂض¨ÂɺÍÁ¦µÄºÏ³ÉÇó½â£®
½â´ð£º½â£ºÈý¸ö¿ä¿Ë¶¼Ôڰ뾶ΪrµÄͬһԲÖÜ£¬ÐγÉÁ˵ȱßÈý½ÇÐΣ¬
µçºÉÁ¿Îª-
e
3
µÄÏ¿ä¿ËÊܵ½ÁíÒ»¸öµçºÉÁ¿Îª-
e
3
µÄÏ¿ä¿ËµÄ¿âÂسâÁ¦F1ºÍµçºÉÁ¿Îª+
2e
3
µÄÉÏ¿ä¿Ë¿âÂØÒýÁ¦F2£®
¸ù¾Ý¿âÂض¨ÂɵÃ
F1=
1
2
F2
¸ù¾ÝÁ¦µÄºÏ³ÉµÃF1ºÍF2µÄºÏÁ¦·½ÏòÊúÖ±ÏòÉÏ£¬
¾Ý¶Ô³ÆÐÔÁíÒ»¸öÏ¿ä¿ËÊܾ²µç×÷ÓÃÁ¦µÄ·½ÏòÒ²ÊÇÊúÖ±ÏòÉÏ£®¹ÊA¡¢B¡¢C´íÎó£¬DÕýÈ·£®
¹Ê´ð°¸Îª£º+
2
3
e    
¹ÊÑ¡D£®
µãÆÀ£º½â¾ö¸ÃÌâ¹Ø¼üÒª¸ù¾Ý¿âÂض¨ÂÉÒÔ¼°Ê¸Á¿µÄºÏ³ÉÍê³É£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©Ò»ÁÐÑØxÕý·½Ïò´«²¥µÄºá²¨£¬ÔÚt=0ʱ¿ÌµÄ²¨ÐÎÈçͼ1Ëùʾ£¬ÔòAµãµÄÕñ·ùΪ
 
cm£¬²¨³¤Îª
 
m£¬´ËʱÖʵãBµÄËٶȷ½ÏòΪ
 
£¨Ìî¡°ÑØyÖáÕý·½Ïò¡±»ò¡°ÑØyÖḺ·½Ïò¡±£©£®Èô²¨ËÙΪ10m/s£¬Ôò´Ó0ÖÁ5sÄÚÖʵãC¾­¹ýµÄ·³ÌΪ
 
m£®
¾«Ó¢¼Ò½ÌÍø
£¨2£©¾Ý±¨µ¼£¬Å·ÖÞ´óÐÍÇ¿×Ó¶Ôײ»ú£¨LHC£©¶¨ÓÚ2008Äê9ÔÂ10ÈÕ¿ªÆô£¬²¢¼ÓËÙµÚÒ»ÅúÖÊ×Ó£¬¸Ã¶Ôײ»ú¡°¿ª×ãÂíÁ¦¡±ºóÄÜ°ÑÊýÒÔ°ÙÍò¼ÆµÄÁ£×Ó¼ÓËÙÖÁÿÃëÖÓ30Íò¹«ÀÏ൱ÓÚ¹âËÙµÄ99.9%£¬Á£×ÓÁ÷ÿÃë¿ÉÔÚËíµÀÄÚ¿ñì­11245Ȧ£¬µ¥ÊøÁ£×ÓÄÜÁ¿¿É´ï7ÍòÒÚµç×Ó·üÌØ£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£®
A£®Èç¹û¼ÌÐø¶ÔÁ£×Ó½øÐмÓËÙ£¬Á£×ÓµÄËٶȽ«Äܹ»´ïµ½¹âËÙ
B£®Èç¹û¼ÌÐø¶ÔÁ£×Ó½øÐмÓËÙ£¬Á£×ÓµÄËٶȽ«Äܹ»³¬¹ý¹âËÙ
C£®Á£×Ó¸ßËÙÔ˶¯Ê±µÄÖÊÁ¿½«´óÓÚ¾²Ö¹Ê±µÄÖÊÁ¿
D£®Á£×Ó¸ßËÙÔ˶¯Ê±µÄÖÊÁ¿½«Ð¡ÓÚ¾²Ö¹Ê±µÄÖÊÁ¿
£¨3£©Èçͼ2£¬¶¥½ÇΪ30¡ãµÄÖ±½ÇÈýÀâ¾µ£¬ÓÐÒ»ÊøºìÀ¶¸´É«¹â´¹Ö±²à±ßÉäÈ룬Éä³öÀ⾵ʱ·ÖΪa¡¢bÁ½Êøµ¥É«¹â£¬ÆäÖÐa¹âµÄÕÛÉä½ÇΪ45¡ã£¬ÔòÀâ¾µ¶Ôa¹âµÄÕÛÉäÂÊΪ
 
£¬ËüÊÇ
 
£¨Ìî¡°ºì¡±»ò¡°À¶¡±£©É«¹â£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

±±¾©Ê±¼ä2008Äê9ÔÂ25ÈÕ21µã10·Ö£¬Öйú×ÔÐÐÑÐÖƵĵÚÈýËÒÔØÈË·É´¬ÉñÖÛÆߺţ¬ÔÚ¾ÆȪÎÀÐÇ·¢ÉäÖÐÐÄÔØÈ˺½Ìì·¢É䳡ÓÉ¡°³¤Õ÷¶þºÅF¡±ÔËÔØ»ð¼ý·¢ÉäÉý¿Õ£®Öйúº½ÌìÔ±µÔÖ¾¸Õ¡¢Áõ²®Ã÷¡¢¾°º£Åô´î³ËÉñÖÛÆߺŷɴ¬ÁªñdzöÕ÷Ì«¿Õ£¬ÊµÏÖÖйúº½ÌìÔ±Ê״οռä³ö²Õ»î¶¯£®ÕâÊÇÖйú¡°ÉñÖÛ¡±·É´¬Ê×´ÎÈýÈËÂúÔØÖ´ÐÐÔØÈ˺½Ìì·ÉÐÐÈÎÎñ£¬Ò²ÊÇÖйú¡°³¤Õ÷¡±ÏµÁÐÔËÔØ»ð¼ýµÚÒ»°ÙÁã¾Å´Îº½Ìì·¢É䣮 9ÔÂ28ÈÕ17ʱ36·ÖÐí£¬ÉñÖÛÆߺŷµ»Ø²Õ˳Àû׎£¬Íê³ÉÔØÈ˺½ÌìÈÎÎñ£®
£¨1£©ÉñÖÛÆߺÅÔÚÈƵØÇò·ÉÐйý³ÌÖÐÀëµØ¸ß¶ÈԼΪ340Km£¬ÊÔ¹ÀËã·É´¬ÔÚ·ÉÐйý³ÌÖеÄÔËÐÐËÙ¶ÈÊǶàÉÙ£¿·É´¬ÈƵØÇò·ÉÐÐÒ»ÖÜËùÐèµÄʱ¼äΪ¶àÉÙ£¿
£¨2£©ÉñÖÝ·É´¬ÔÚ·µ»Ø¹ý³ÌÖÐÖ÷½µÂäÉ¡½«·É´¬Ï½µËٶȽµµÍÖÁÔ¼10m/s£¬ÔÚÀëµØÃæ1.2mʱ£¬·´³å»ð¼ý¿ªÊ¼¹¤×÷£®¼ÙÉè·´³å»ð¼ý¹¤×÷ʱ·É´¬µÄ¼ÓËÙ¶ÈÊǾùÔȵģ¬·É´¬½Ó´¥µØÃæʱµÄËÙ¶ÈΪ2m/s£¬Èôº½ÌìÔ±ºÍÆäÉíÉÏ×°±¸µÄ×ÜÖÊÁ¿Îª80Kg£¬ÊÔ¸ù¾ÝÏà¹ØÊý¾Ý¼ÆËã·É´¬µÄ·´³å»ð¼ý¹¤×÷ʱº½ÌìÔ±¶ÔÆä×ùÒεÄѹÁ¦Ô¼Îª¶à´ó£¿£¨G=6.67¡Á10-11N?m2/kg2£¬µØÇò±íÃæÖØÁ¦¼ÓËÙ¶Èg=10m/s2£¬µØÇò°ë¾¶R=6.4¡Á103km£¬¦Ð2¡Ö10£¬¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£ºÑ§Ï°Öܱ¨¡¡ÎïÀí¡¡È˽̿αê¸ß¿¼°æ¡¡2009£­2010ѧÄê¡¡µÚ25ÆÚ¡¡×ܵÚ181ÆÚ È˽̿αê°æ ÌâÐÍ£º021

¾Ý±¨µÀ£¬Å·ÖÞ´óÐÍÇ¿×Ó¶Ôײ»ú(LHC)¶¨ÓÚ2008Äê9ÔÂ10ÈÕ¿ªÆô£¬²¢¼ÓËÙµÚÒ»ÅúÖÊ×Ó£¬¸Ã¶Ôײ»ú¡°¿ª×ãÂíÁ¦¡±ºóÄÜ°ÑÊýÒÔ°ÙÍò¼ÆµÄÁ£×Ó¼ÓËÙÖÁÿÃëÖÓ30Íò¹«ÀÏ൱ÓÚ¹âËÙµÄ99.9£¥£¬Á£×ÓÁ÷ÿÃë¿ÉÔÚËíµÀÄÚ¿ñì­11245Ȧ£¬µ¥ÊøÁ£×ÓÄÜÁ¿¿É´ï7ÍòÒÚµç×Ó·üÌØ£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ

A£®

Èç¹û¼ÌÐø¶ÔÁ£×Ó½øÐмÓËÙ£¬Á£×ÓµÄËÙ¶ÈʼÖÕ²»Äܹ»´ïµ½¹âËÙ

B£®

Èç¹û¼ÌÐø¶ÔÁ£×Ó½øÐмÓËÙ£¬Á£×ÓµÄËٶȽ«Äܹ»³¬¹ý¹âËÙ

C£®

Á£×Ó¸ßËÙÔ˶¯Ê±µÄÖÊÁ¿½«´óÓÚ¾²Ö¹Ê±µÄÖÊÁ¿

D£®

Á£×Ó¸ßËÙÔ˶¯Ê±µÄÖÊÁ¿½«Ð¡ÓÚ¾²Ö¹Ê±µÄÖÊÁ¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2009Äê½­ËÕÊ¡ËÞǨÊи߿¼ÎïÀíÄ£ÄâÊÔ¾í£¨ËÄ£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©Ò»ÁÐÑØxÕý·½Ïò´«²¥µÄºá²¨£¬ÔÚt=0ʱ¿ÌµÄ²¨ÐÎÈçͼ1Ëùʾ£¬ÔòAµãµÄÕñ·ùΪ______cm£¬²¨³¤Îª______m£¬´ËʱÖʵãBµÄËٶȷ½ÏòΪ______£¨Ìî¡°ÑØyÖáÕý·½Ïò¡±»ò¡°ÑØyÖḺ·½Ïò¡±£©£®Èô²¨ËÙΪ10m/s£¬Ôò´Ó0ÖÁ5sÄÚÖʵãC¾­¹ýµÄ·³ÌΪ______m£®

£¨2£©¾Ý±¨µ¼£¬Å·ÖÞ´óÐÍÇ¿×Ó¶Ôײ»ú£¨LHC£©¶¨ÓÚ2008Äê9ÔÂ10ÈÕ¿ªÆô£¬²¢¼ÓËÙµÚÒ»ÅúÖÊ×Ó£¬¸Ã¶Ôײ»ú¡°¿ª×ãÂíÁ¦¡±ºóÄÜ°ÑÊýÒÔ°ÙÍò¼ÆµÄÁ£×Ó¼ÓËÙÖÁÿÃëÖÓ30Íò¹«ÀÏ൱ÓÚ¹âËÙµÄ99.9%£¬Á£×ÓÁ÷ÿÃë¿ÉÔÚËíµÀÄÚ¿ñì­11245Ȧ£¬µ¥ÊøÁ£×ÓÄÜÁ¿¿É´ï7ÍòÒÚµç×Ó·üÌØ£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£®
A£®Èç¹û¼ÌÐø¶ÔÁ£×Ó½øÐмÓËÙ£¬Á£×ÓµÄËٶȽ«Äܹ»´ïµ½¹âËÙ
B£®Èç¹û¼ÌÐø¶ÔÁ£×Ó½øÐмÓËÙ£¬Á£×ÓµÄËٶȽ«Äܹ»³¬¹ý¹âËÙ
C£®Á£×Ó¸ßËÙÔ˶¯Ê±µÄÖÊÁ¿½«´óÓÚ¾²Ö¹Ê±µÄÖÊÁ¿
D£®Á£×Ó¸ßËÙÔ˶¯Ê±µÄÖÊÁ¿½«Ð¡ÓÚ¾²Ö¹Ê±µÄÖÊÁ¿
£¨3£©Èçͼ2£¬¶¥½ÇΪ30°µÄÖ±½ÇÈýÀâ¾µ£¬ÓÐÒ»ÊøºìÀ¶¸´É«¹â´¹Ö±²à±ßÉäÈ룬Éä³öÀ⾵ʱ·ÖΪa¡¢bÁ½Êøµ¥É«¹â£¬ÆäÖÐa¹âµÄÕÛÉä½ÇΪ45°£¬ÔòÀâ¾µ¶Ôa¹âµÄÕÛÉäÂÊΪ______

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸