2004Ä꣬ÎÒ¹úºÍÅ·Ã˺Ï×÷ÕýʽÆô¶¯Ù¤ÀûÂÔÎÀÐǵ¼º½¶¨Î»ÏµÍ³¼Æ»®£¬Õ⽫½áÊøÃÀ¹úÈ«ÇòÎÀÐǶ¨Î»ÏµÍ³£¨GPS£©Ò»Í³ÌìϵľÖÃ森¾ÝϤ£¬¡°Ù¤ÀûÂÔ¡±ÎÀÐǶ¨Î»ÏµÍ³½«ÓÉ30¿Å¹ìµÀÎÀÐÇ×é³É£¬ÎÀÐǵĹìµÀ¸ß¶ÈΪ2.4¡Á104 km£¬Çã½ÇΪ56¡ã£¬·Ö²¼ÔÚ3¸ö¹ìµÀÃæÉÏ£¬Ã¿¸ö¹ìµÀÃ沿Êð9¿Å¹¤×÷ÎÀÐǺÍ1¿ÅÔڹ챸·ÝÎÀÐÇ£¬µ±Ä³¿Å¹¤×÷ÎÀÐdzöÏÖ¹ÊÕÏʱ¿É¼°Ê±¶¥Ì湤×÷£®Èôij¿ÅÌæ²¹ÎÀÐÇ´¦ÔÚÂÔµÍÓÚ¹¤×÷ÎÀÐǵĹìµÀÉÏ£¬ÔòÕâ¿ÅÎÀÐǵÄÖÜÆÚºÍËÙ¶ÈÓ빤×÷ÎÀÐÇÏà±È½Ï£¬ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
·ÖÎö£ºËùÓÐÎÀÐÇÈƵØÇò×öÔÈËÙÔ²ÖÜÔ˶¯¿¿ÍòÓÐÒýÁ¦ÌṩÏòÐÄÁ¦£¬¸ù¾Ý
GMm
r2
=m
v2
r
=mr£¨
2¦Ð
T
£©2±È½ÏÏßËٶȺÍÖÜÆڵĴóС£®
½â´ð£º½â£º¸ù¾Ý
GMm
r2
=m
v2
r
=mr£¨
2¦Ð
T
£©2µÃ£º
v=
GM
r
£¬T=2¦Ð
r3
GM
£¬¹ìµÀ°ë¾¶Ô½Ð¡£¬ÏßËÙ¶ÈÔ½´ó£¬ÖÜÆÚԽС£®Ìæ²¹ÎÀÐÇ´¦ÔÚÂÔµÍÓÚ¹¤×÷ÎÀÐǵĹìµÀÉÏ£¬ËùÓÐËüµÄÏßËٶȽϴó£¬ÖÜÆÚ½ÏС£®¹ÊCÕýÈ·£¬A¡¢B¡¢D´íÎó£®
¹ÊÑ¡C
µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕÍòÓÐÒýÁ¦ÌṩÏòÐÄÁ¦
GMm
r2
=m
v2
r
=mr£¨
2¦Ð
T
£©2£¬ÖªµÀÏßËٶȺÍÖÜÆÚÓë¹ìµÀ°ë¾¶µÄ¹Øϵ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£ºÄÏ¿ªÇø¶þÄ£ ÌâÐÍ£ºµ¥Ñ¡Ìâ

2004Ä꣬ÎÒ¹úºÍÅ·Ã˺Ï×÷ÕýʽÆô¶¯Ù¤ÀûÂÔÎÀÐǵ¼º½¶¨Î»ÏµÍ³¼Æ»®£¬Õ⽫½áÊøÃÀ¹úÈ«ÇòÎÀÐǶ¨Î»ÏµÍ³£¨GPS£©Ò»Í³ÌìϵľÖÃ森¾ÝϤ£¬¡°Ù¤ÀûÂÔ¡±ÎÀÐǶ¨Î»ÏµÍ³½«ÓÉ30¿Å¹ìµÀÎÀÐÇ×é³É£¬ÎÀÐǵĹìµÀ¸ß¶ÈΪ2.4¡Á104 km£¬Çã½ÇΪ56¡ã£¬·Ö²¼ÔÚ3¸ö¹ìµÀÃæÉÏ£¬Ã¿¸ö¹ìµÀÃ沿Êð9¿Å¹¤×÷ÎÀÐǺÍ1¿ÅÔڹ챸·ÝÎÀÐÇ£¬µ±Ä³¿Å¹¤×÷ÎÀÐdzöÏÖ¹ÊÕÏʱ¿É¼°Ê±¶¥Ì湤×÷£®Èôij¿ÅÌæ²¹ÎÀÐÇ´¦ÔÚÂÔµÍÓÚ¹¤×÷ÎÀÐǵĹìµÀÉÏ£¬ÔòÕâ¿ÅÎÀÐǵÄÖÜÆÚºÍËÙ¶ÈÓ빤×÷ÎÀÐÇÏà±È½Ï£¬ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
B£®Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
C£®Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
D£®Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2006ÄêÌì½òÊÐÄÏ¿ªÇø¸ß¿¼ÎïÀí¶þÄ£ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

2004Ä꣬ÎÒ¹úºÍÅ·Ã˺Ï×÷ÕýʽÆô¶¯Ù¤ÀûÂÔÎÀÐǵ¼º½¶¨Î»ÏµÍ³¼Æ»®£¬Õ⽫½áÊøÃÀ¹úÈ«ÇòÎÀÐǶ¨Î»ÏµÍ³£¨GPS£©Ò»Í³ÌìϵľÖÃ森¾ÝϤ£¬¡°Ù¤ÀûÂÔ¡±ÎÀÐǶ¨Î»ÏµÍ³½«ÓÉ30¿Å¹ìµÀÎÀÐÇ×é³É£¬ÎÀÐǵĹìµÀ¸ß¶ÈΪ2.4×104 km£¬Çã½ÇΪ56°£¬·Ö²¼ÔÚ3¸ö¹ìµÀÃæÉÏ£¬Ã¿¸ö¹ìµÀÃ沿Êð9¿Å¹¤×÷ÎÀÐǺÍ1¿ÅÔڹ챸·ÝÎÀÐÇ£¬µ±Ä³¿Å¹¤×÷ÎÀÐdzöÏÖ¹ÊÕÏʱ¿É¼°Ê±¶¥Ì湤×÷£®Èôij¿ÅÌæ²¹ÎÀÐÇ´¦ÔÚÂÔµÍÓÚ¹¤×÷ÎÀÐǵĹìµÀÉÏ£¬ÔòÕâ¿ÅÎÀÐǵÄÖÜÆÚºÍËÙ¶ÈÓ빤×÷ÎÀÐÇÏà±È½Ï£¬ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ£¨ £©
A£®Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
B£®Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
C£®Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
D£®Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºµ¥Ñ¡Ìâ

2004Ä꣬ÎÒ¹úºÍÅ·Ã˺Ï×÷ÕýʽÆô¶¯Ù¤ÀûÂÔÎÀÐǵ¼º½¶¨Î»ÏµÍ³¼Æ»®£¬Õ⽫½áÊøÃÀ¹úÈ«ÇòÎÀÐǶ¨Î»ÏµÍ³(GPS)һͳÌìϵľÖÃ森¾ÝϤ£¬¡°Ù¤ÀûÂÔ¡±ÎÀÐǶ¨Î»ÏµÍ³½«ÓÉ30¿Å¹ìµÀÎÀÐÇ×é³É£¬ÎÀÐǵĹìµÀ¸ß¶ÈΪ2.4¡Á104 km£¬Çã½ÇΪ56¡ã£¬·Ö²¼ÔÚ3¸ö¹ìµÀÃæÉÏ£¬Ã¿¸ö¹ìµÀÃ沿Êð9¿Å¹¤×÷ÎÀÐǺÍ1¿ÅÔڹ챸·ÝÎÀÐÇ£¬µ±Ä³¿Å¹¤×÷ÎÀÐdzöÏÖ¹ÊÕÏʱ¿É¼°Ê±¶¥Ì湤×÷£®Èôij¿ÅÌæ²¹ÎÀÐÇ´¦ÔÚÂÔµÍÓÚ¹¤×÷ÎÀÐǵĹìµÀÉÏ£¬ÔòÕâ¿ÅÎÀÐǵÄÖÜÆÚºÍËÙ¶ÈÓ빤×÷ÎÀÐÇÏà±È½Ï£¬ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ


  1. A.
    Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
  2. B.
    Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
  3. C.
    Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
  4. D.
    Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

2004Ä꣬ÎÒ¹úºÍÅ·Ã˺Ï×÷µÄ½¨¹úÒÔÀ´×î´óµÄ¹ú¼Ê¿Æ¼¼ºÏ×÷¼Æ»®¨D¨D¡°Ù¤ÀûÂԼƻ®¡±½«½øÈëÈ«Ãæʵʩ½×¶Î£¬ÕýʽÆô¶¯Ù¤ÀûÂÔÎÀÐǵ¼º½¶¨Î»ÏµÍ³¼Æ»®¡£Õâ±êÖ¾×ÅÅ·ÖÞºÍÎÒÃǶ¼½«ÓµÓÐ×Ô¼ºµÄÎÀÐǵ¼º½¶¨Î»ÏµÍ³£¬²¢½«½áÊøÃÀ¹úÈ«ÇòÎÀÐǶ¨Î»ÏµÍ³ÔÚÊÀ½ç¶ÀÕ¼÷¡Í·µÄ¾ÖÃæ¡£¾ÝϤ£¬¡°Ù¤ÀûÂÔ¡±ÎÀÐǶ¨Î»ÏµÍ³½«ÓÉ30¿Å¹ìµÀÎÀÐÇ×é³É£¬ÎÀÐǵĹìµÀ¸ß¶ÈΪ2.4¡Á104km£¬Çã½ÇΪ56¡ã£¬·Ö²¼ÔÚ3¸ö¹ìµÀÃæÉÏ£¬Ã¿¸ö¹ìµÀÃ沿Êð9¿Å¹¤×÷ÎÀÐǺÍ1¿ÃÔÚ¹ìºò±¸Ìæ²¹ÎÀÐÇ£»µ±Ä³¿Å¹¤×÷ÎÀÐdzöÏÖ¹ÊÕÏʱ£¬Ìæ²¹ÎÀÐÇÔò¼ÓËÙ½øÈë¹ÊÕÏÎÀÐǵĹìµÀ²¢¼°Ê±¶¥Ì湤×÷¡£ÔòÕâ¿ÅÎÀÐǵÄÖÜÆÚºÍËÙ¶ÈÓ빤×÷ÎÀÐÇÏà±È½Ï£¬ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ    £¨    £©
       A£®Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
       B£®Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËٶȴóÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
       C£®Ìæ²¹ÎÀÐǵÄÖÜÆÚ´óÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È
       D£®Ìæ²¹ÎÀÐǵÄÖÜÆÚСÓÚ¹¤×÷ÎÀÐǵÄÖÜÆÚ£¬ËÙ¶ÈСÓÚ¹¤×÷ÎÀÐǵÄËÙ¶È

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸