ÌâÄ¿ÄÚÈÝ

£¨10·Ö£©ÍÁÐÇÖÜΧÓÐÐí¶à´óС²»µÈµÄÑÒʯ¿ÅÁ££¬ÆäÈÆÍÁÐǵÄÔ˶¯¿ÉÊÓΪԲÖÜÔ˶¯¡£ÆäÖÐÓÐÁ½¸öÑÒʯ¿ÅÁ£AºÍBÓëÍÁÐÇÖÐÐľàÀë·Ö±ðΪrA£½8.0¡Á104 kmºÍr B£½1.2¡Á105 km¡£ºöÂÔËùÓÐÑÒʯ¿ÅÁ£¼äµÄÏ໥×÷Óᣣ¨½á¹û¿ÉÓøùʽ±íʾ£©
£¨1£©ÇóÑÒʯ¿ÅÁ£AºÍBµÄÏßËÙ¶ÈÖ®±È£»
£¨2£©ÇóÑÒʯ¿ÅÁ£AºÍBµÄÖÜÆÚÖ®±È£»
£¨3£©ÍÁÐÇ̽²âÆ÷ÉÏÓÐÒ»ÎïÌ壬ÔÚµØÇòÉÏÖØΪ10 N£¬ÍÆËã³öËûÔÚ¾àÍÁÐÇÖÐÐÄ3.2¡Á105 km´¦Êܵ½ÍÁÐǵÄÒýÁ¦Îª0.38 N¡£ÒÑÖªµØÇò°ë¾¶Îª6.4¡Á103 km£¬Çë¹ÀËãÍÁÐÇÖÊÁ¿ÊǵØÇòÖÊÁ¿µÄ¶àÉÙ±¶£¿
£¨1£©   £¨2£©      £¨3£©

ÊÔÌâ·ÖÎö£º£¨1£©ÉèÍÁÐÇÖÊÁ¿ÎªM0£¬¿ÅÁ£ÖÊÁ¿Îªm£¬¿ÅÁ£¾àÍÁÐÇÖÐÐľàÀëΪr£¬ÏßËÙ¶ÈΪv£¬Ôò£º      1·Ö     
½âµÃ£º  1·Ö
¶ÔÓÚA¡¢BÁ½¿ÅÁ£·Ö±ðÓУº
ºÍ      1·Ö
µÃ£º       1·Ö
£¨2£©Éè¿ÅÁ£ÈÆÍÁÐÇ×÷Ô²ÖÜÔ˶¯µÄÖÜÆÚΪT£¬Ôò£º      1·Ö
¶ÔÓÚA¡¢BÁ½¿ÅÁ£·Ö±ðÓУº ºÍ       1·Ö
µÃ£º       1·Ö
£¨3£©ÉèµØÇòÖÊÁ¿ÎªM£¬µØÇò°ë¾¶Îªr0£¬µØÇòÉÏÎïÌåµÄÖØÁ¦¿ÉÊÓΪÍòÓÐÒýÁ¦£¬Ì½²âÆ÷ÉÏÎïÌåÖÊÁ¿Îªm0£¬ÔÚµØÇò±íÃæÖØÁ¦ÎªG0£¬¾àÍÁÐÇÖÐÐÄr0/£½3.2¡Á105 km´¦µÄÒýÁ¦ÎªG0/£¬¸ù¾ÝÍòÓÐÒýÁ¦¶¨ÂÉ£º          2·Ö
½âµÃ£º       1·Ö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø