ÌâÄ¿ÄÚÈÝ
Èçͼ£¬Èý̨µÂ¹úÉ豸·Ö³ËÈýÁ¾ÔËÊä³µ´ÓÑïÖÝÒÇÕ÷¸Ûµ½ÒÇÕ÷»¯Ï˹ɷÝÓÐÏÞ¹«Ë¾£¬¶Ì¶Ì4.5¹«Àȴ×ã×ã×ßÁË3Сʱ24·ÖÖÓ¡£Ã¿Ì¨É豸³¤9.6Ãס¢¿í9.6Ãס¢¸ß8Ã×£¬ÖØ´ï580¶Ö£¬Ò»°ãµÄµÀ·ºÍÇÅÁºÊÇÎÞ·¨³ÐÊܵġ£Õâ´ÎÑ¡ÓÃÁËÈ«Çò×îÇ¿´ó¼þÔËÊä³µÖ®³ÆµÄ·¨¹úÄá¹ÅÀ˹³µ£¬Ò»Á¾³µ½öÂÖ×Ó¾ÍÓÐ192¸ö£¬³µÖØ84¶Ö¡£
£¨1£©Õâ´ÎÔËÊä³µÐÐÊ»µÄƽ¾ùËٶȶàÉÙkm/h£¿
£¨2£©Ã¿Ì¨É豸Êܵ½µÄÖØÁ¦ÊǶàÉÙ£¿£¨g=10N/kg£©
£¨3£©¼ÙÉèÿ¸öÂÖÓëµØÃæµÄ½Ó´¥Ãæ»ýΪ500cm2£¬ÔËÊä¹ý³ÌÖÐÿÁ¾³µ¸øµØÃæµÄѹǿÊǶàÉÙPa£¿£¨½á¹û±£ÁôһλСÊý£©
£¨1£©Õâ´ÎÔËÊä³µÐÐÊ»µÄƽ¾ùËٶȶàÉÙkm/h£¿
£¨2£©Ã¿Ì¨É豸Êܵ½µÄÖØÁ¦ÊǶàÉÙ£¿£¨g=10N/kg£©
£¨3£©¼ÙÉèÿ¸öÂÖÓëµØÃæµÄ½Ó´¥Ãæ»ýΪ500cm2£¬ÔËÊä¹ý³ÌÖÐÿÁ¾³µ¸øµØÃæµÄѹǿÊǶàÉÙPa£¿£¨½á¹û±£ÁôһλСÊý£©
£¨1£©1.32km/h £¨2£©5.8¡Á106 N £¨3£© 7¡Á105Pa
ÊÔÌâ·ÖÎö£º£¨1£©
£¨2£©
£¨3£©
µãÆÀ£º¿¼²éµ½ÁËËٶȡ¢ÖØÁ¦ºÍѹǿµÄ¼ÆË㣬¹Ø¼üÊÇѹǿ¼ÆËãʱѹÁ¦µÄÊÜÁ¦Ãæ»ýµÄÈ·¶¨¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿