ÌâÄ¿ÄÚÈÝ
ˮƽ´«ËÍ´ø³¤Îª10m£¬¹â»¬Ë®Æ½ÃæABÓë´«ËÍ´øÔÚBµãÏνӣ¬Èçͼ¼×Ëùʾ¡£Îï¿éÖÊÁ¿Îªm=1kg£¬ÔÚǽÃæºÍÎï¿é¼ä¼Ð×ÅÒ»¸ùµ¯»É£¬µ¯»É´¦ÓÚѹËõ״̬£¬£¨Á½¶Ë¶¼²»ÓëÎïÌåË©½Ó£©¡£ÏÖ¼ô¶ÏϸÏߣ¬Îï¿éÔÚµ¯Á¦µÄ×÷ÓÃÏ»ñµÃÒ»¸öÏòÓÒµÄËٶȡ£µÚÒ»´Î£¬±£³Ö´«ËÍ´ø¾²Ö¹£¬Îï¿éÔÚ´«ËÍ´øÉÏÔ˶¯µÄËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹ØϵÈçͼÒÒËùʾ£¨È¡ÏòÓÒΪÕý£©£»µÚ¶þ´Î£¬ÈÔ½«µ¯»ÉѹËõµ½µÚÒ»´ÎÊÍ·ÅʱµÄ³¤¶È£¬²¢´Ó¾²Ö¹¿ªÊ¼ÊÍ·Å£¬´Ëʱ´«ËÍ´øÕýÒÔ2m/sµÄËÙ¶È˳ʱÕ뿪¶¯£¬Ç󣺣¨1£©Îï¿éÓë´«ËÍ´øµÄ¶¯Ä¦²ÁÒòÊýΪ¶àÉÙ£¿£¨2£©Îï¿é´Ó´«ËÍ´øµÄÒ»¶ËÔ˶¯µ½ÁíÒ»¶ËµÄ¹ý³ÌÖвúÉúµÄÈÈÁ¿Îª¶àÉÙ£¿£¨ g=10m£¯s2£©
£¨1£©£¨2£©2
ÊÔÌâ·ÖÎö£º£¨1£©ÓÐÅ£¶ÙÔ˶¯¶¨Âɵ㺠£¨2·Ö£©
ÓÉËÙ¶Èʱ¼äͼÏóµÄ£º=4m/s2 £¨2·Ö£©
ÓÉÉÏʽµÃ£º £¨1·Ö£©
£¨2£©Îï¿éÔÚ´«ËÍ´øÉÏ×öÔȼõËÙÔ˶¯£¬ £¨1·Ö£©
´«ËÍ´ø×öÔÈËÙÔ˶¯£¬ £¨1·Ö£©
£¨1·Ö£©
£¨1·Ö£©
´Ë¹ý³ÌÖвúÉúµÄÈÈÁ¿Îª£º £¨2·Ö£©
ÓÉÒÔÉϸ÷ʽµÃ£º2 £¨2·Ö£©
µãÆÀ£ºµ±ÎïÌåÔÚ´«ËÍ´øÉÏÔ˶¯Ê±£¬ÎïÌåµÄËÙ¶ÈСÓÚ´«ËÍ´øµÄËÙ¶Èʱ´æÔÚÏà¶ÔÔ˶¯£¬µ±ÎïÌåµÄËٶȺʹ«ËÍ´øµÄËÙ¶ÈÏàͬʱ£¬Á½ÕßÏà¶Ô¾²Ö¹£¬Ã»ÓÐĦ²ÁÁ¦´æÔÚ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿