ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÎÒ¹ú×ÔÖ÷ÑÐÖƵÄijÐÍÐÂÒ»´úÕ½¶·»ú£¬Ëü¾ß±¸³¬ÒôËÙѲº½¡¢µç´ÅÒþÉí¡¢³¬»ú¶¯ÐÔ¡¢³¬ÊӾ๥»÷µÈÓÅÒìÐÔÄÜ£¬¸Ã·É»ú×î´óÆð·ÉÖÊÁ¿Îª37t£¬×î´ó·ÉÐи߶ȴï20000m£¬×î´óº½ÐÐËٶȴï2.5±¶ÉùËÙ£¨ºÏ3060km/h£©£¬×î´óÔØÓÍÁ¿Îª10t£¬·É»úº½ÐÐʱËùÊÜ×èÁ¦µÄ´óСÓëËٶȵĹØϵ¼ûÏÂ±í£º
ËÙ¶Èv£¨m/s) | 100 | 200 | 300 | 400 | 500 |
×èÁ¦f/104N | 0.3 | 1.2 | 2.7 | 4.8 | 7.5 |
ÒÑÖª·É»ú·¢¶¯»úȼÓÍÍêȫȼÉÕµÄÄÜÁ¿×ª»¯Îª»úеÄܵÄЧÂÊÊÇ40%£¬·É»úʹÓõĺ½¿ÕȼÓ͵ÄÈÈֵΪ5107J/kg¡£
Çó£º(1)·É»ú·¢¶¯»úÍêȫȼÉÕ10tȼÓÍ»ñµÃµÄÄÜÁ¿ÊǶàÉÙ½¹£¿
(2)ÈôÔÚ·É»úÓÍÏäÖмÓÂúȼÓÍ£¬²¢ÇÒÒÔ500m/sµÄËÙ¶ÈѲº½Ê±£¬·É»úµÄ×î´óº½³ÌÔ¼ÊǶàÉÙǧÃ×£¿
¡¾´ð°¸¡¿(1)5¡Á1011£»(2)2.7¡Á103¡£
¡¾½âÎö¡¿
(1)ÓÉÈÈÖµ¹«Ê½µÃ£º
£»
(2)·É»ú×î´óº½³ÌΪ£º
¡£
´ð£º(1)·É»ú·¢¶¯»úÍêȫȼÉÕ10tȼÓÍ»ñµÃµÄÄÜÁ¿Êǽ¹£»
(2)·É»úµÄ×î´óº½³ÌÔ¼ÊÇ2.7¡Á103ǧÃס£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿