ÌâÄ¿ÄÚÈÝ
º£µ×ÓзḻµÄµØÏÂ×ÊÔ´£¬É̽²â³ÉΪÊÀ½ç¹Ø×¢µÄÈȵ㡣2011Äê7ÔÂ6ÈÕ£¬ÎÒ¹úÔØÈËDZˮÆ÷¡°òÔÁúºÅ¡±ÒÔ×î´óÏÂDZ5057mµÄÉî¶È´´ÊÀ½çÔØÈËÉîDZ¼Ç¼¡£Èç¹û½«¡°òÔÁúºÅ¡±Ä³´ÎµÄÊÔDZÔ˶¯·Ö³ÉÈý¸ö½×¶Î£¬Ñ¡ÏòÏÂΪÕý·½Ïò£¬gÈ¡10m/s2£¬³ý¸¡Á¦ºÍÖØÁ¦Í⣬²»¼ÆÈκÎ×èÁ¦£¬Æäv-tͼÏóÈçͼ¼×Ëùʾ¡£ÔòÓÐ £¨ £©
A£®Oa¶ÎÖØÁ¦´óÓÚ¸¡Á¦£¬ºÏÁ¦×öÕý¹¦ |
B£®ab¶ÎÖØÁ¦µÈÓÚ¸¡Á¦£¬ÖØÁ¦×öµÄ¹¦µÈÓÚ¿Ë·þ¸¡Á¦×öµÄ¹¦ |
C£®bc¶ÎÖØÁ¦Ð¡ÓÚ¸¡Á¦£¬¶¯ÄÜת»¯ÎªÊÆÄÜ |
D£®Èý¸ö½×¶Î¶ÔÓ¦µÄ¸¡Á¦´óС¿ÉÒÔ°´ÈçͼÒÒËùʾµÄͼÏó¹æÂɱ仯 |
µÚ¢ò¾í£¨¹²60·Ö£©
AB
½âÎö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿