£¨10·Ö£©ÖÊÁ¿M£½327 kgµÄСÐÍ»ð¼ý(º¬È¼ÁÏ)Óɾ²Ö¹·¢É䣬·¢Éäʱ¹²Åç³öÖÊÁ¿m£½27 kgµÄÆøÌ壬ÉèÅç³öµÄÆøÌåÏà¶ÔµØÃæµÄËٶȾùΪv£½1000 m/s.ºöÂÔµØÇòÒýÁ¦ºÍ¿ÕÆø×èÁ¦µÄÓ°Ï죬ÔòÆøÌåÈ«²¿Åç³öºó£¬Ôò£º
£¨1£©Çó»ð¼ý»ñµÃµÄ×îÖÕËٶȣ¿
£¨2£©Ê²Ã´ÒòËؾö¶¨»ð¼ý»ñµÃµÄ×îÖÕËٶȣ¿

£¨1£©90 m/s£¨2£©ÅçÆøËٶȠ»ð¼ýÓëÆøÌåµÄÖÊÁ¿±È

£¨1£©£¨6·Ö£©ÉèÏòÏÂΪÕý·½Ïò£¬¸ù¾Ý¶¯Á¿Êغ㶨ÂÉÓУº
(M£­m)v₁£«mv£½0 ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­£¨2·Ö£©
»ð¼ýµÄËٶȣºv₁£½£½£­ m/s£½£­90 m/s.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­£¨3·Ö£©
»ð¼ý»ñµÃµÄ×îÖÕËٶȴóСΪ90 m/s£¬·½ÏòÓëÅç³öÆøÌå·½ÏòÏà·´.¡­¡­¡­¡­¡­¡­¡­¡­£¨1·Ö£©
£¨2£©£¨4·Ö£©¾ö¶¨»ð¼ý»ñµÃµÄ×îÖÕËٶȵÄ2¸öÒòËØ£º
1.ÅçÆøËٶȣ»    ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­£¨2·Ö£©
2.»ð¼ýÓëÆøÌåµÄÖÊÁ¿±È¡£¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­£¨2·Ö£©