ÌâÄ¿ÄÚÈÝ
£¨2013·Ìì½òµÚÈý´ÎÁùУÁª¿¼£¬9Ì⣩(1)ÓÃÓα꿨³ß²âÁ¿Ð¡ÇòµÄÖ±¾¶£¬ÈçͼËùʾµÄ¶ÁÊýÊÇ mm¡£
£¨2£©ÔÚÓÃÈçͼ¼×ËùʾµÄ×°Öá°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬´òµã¼ÆʱÆ÷½ÓÔÚƵÂÊΪµÄ½»Á÷µçÔ´ÉÏ£¬´ÓʵÑéÖдò³öµÄ¼¸ÌõÖ½´øÖÐÑ¡³öÒ»ÌõÀíÏëÖ½´ø£¬ÈçͼÒÒËùʾ£¬Ñ¡È¡Ö½´øÉÏ´ò³öµÄÁ¬Ðø£´¸öµã¡¢¡¢¡¢£¬¸÷µã¾àÆðʼµã£ÏµÄ¾àÀë·Ö±ðΪ¡¢¡¢¡¢£¬ÒÑÖªÖØ´¸µÄÖÊÁ¿Îª£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪ£¬Ôò£º
¢Ù´Ó´òÏÂÆðʼµãµ½´òϵãµÄ¹ý³ÌÖУ¬ÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª£½ £¬ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª£½ ¡£
¢ÚÈô£¬ÇÒ²â³ö£¬¿ÉÇó³öµ±µØµÄÖØÁ¦¼ÓËÙ¶È ¡£
¡¾´ð°¸¡¿(1) (2) ¢Ù ¢Ú
¢ÙÖØ´¸ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª¡÷EP=mgs2£®´òCµãʱÖØ´¸µÄËÙ¶ÈvC= £¬T= £¬ ÖØ´¸¶¯ÄܵÄÔö¼ÓÁ¿Îª¡÷Ek= ¡£
¢ÚÓÉÒÑÖªÊý¾Ý£¬½áºÏ¡÷x=aT2¼´¿ÉÇó½â¼ÓËٶȣ®
£¨2013·±±¾©³¯Ñô¶þÄ££¬17Ì⣩¾¹ú¼ÊСÐÐÐÇÃüÃûίԱ»áÃüÃûµÄ¡°ÉñÖÛÐÇ¡±ºÍ¡°ÑîÀûΰÐÇ¡±µÄ¹ìµÀ¾ù´¦ÔÚ»ðÐǺÍľÐǹìµÀÖ®¼ä£¬ËüÃÇÈÆÌ«ÑôÑØÍÖÔ²¹ìµÀÔËÐУ¬Æä¹ìµÀ²ÎÊýÈçÏÂ±í¡£
Ô¶ÈÕµã | ½üÈÕµã | |
ÉñÖÛÐÇ | 3.575AU | 2.794AU |
ÑîÀûΰÐÇ | 2.197AU | 1.649AU |
×¢£ºAUÊÇÌìÎÄѧÖеij¤¶Èµ¥Î»£¬1AU=149 597 870 700m£¨´óÔ¼ÊǵØÇòµ½Ì«ÑôµÄƽ¾ù¾àÀ룩¡£
¡°ÉñÖÛÐÇ¡±ºÍ¡°ÑîÀûΰÐÇ¡±ÈÆÌ«ÑôÔËÐеÄÖÜÆÚ·Ö±ðΪT1ºÍT2£¬ËüÃÇÔÚ½üÈÕµãµÄ¼ÓËٶȷֱðΪa1ºÍa2¡£ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A£®£¬ B£®£¬
C£®£¬ D£®£¬