ÌâÄ¿ÄÚÈÝ

£¨6·Ö£©Í¼£¨a£©ÎªÒ»Áв¨ÔÚt=2sʱµÄ²¨ÐÎͼ£¬Í¼£¨b£©ÎªÃ½ÖÊÊÇƽºâλÖÃÔÚx=1.5m´¦µÄÖʵãµÄÕñ¶¯Í¼Ïó£¬PÊÇƽºâλÖÃΪx=2mµÄÖʵ㣬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ      £¨ÌîÕýÈ·´ð°¸±êºÅ£¬Ñ¡¶ÔÒ»¸öµÃ3·Ö£¬Ñ¡¶Ô2¸öµÃ4·Ö£¬Ñ¡¶Ô3¸öµÃ6·Ö¡£Ã¿Ñ¡´í1¸ö¿Û3·Ö£¬×îµÍµÃ0·Ö£©¡£

A£®²¨ËÙΪ0.5m/s
B£®²¨µÄ´«²¥·½ÏòÏòÓÒ
C£®0-2sʱ¼äÄÚ£¬PÔ˶¯µÄ·³ÌΪ8cm
D£®Ê±¼äÄÚ£¬PÏòyÖáÕý·½Ïò Ô˶¯
E£®µ±t=7sʱ£¬PÇ¡ºÃ»Øµ½Æ½ºâλÖÃ

ACE

½âÎöÊÔÌâ·ÖÎö£º¸ù¾Ýͼ£¨a£©µÄ²¨ÐÎͼÅжϻúе²¨µÄ²¨³¤£¬¸ù¾Ýͼ£¨b£©¿ÉµÃÕñ¶¯ÖÜÆÚ£¬ËùÒÔ²¨ËÙ£¬Ñ¡ÏîA¶Ô¡£¸ù¾Ýͼ£¨b£©¿ÉÅжϵÄÖʵãÔÚÕñ¶¯·½ÏòΪyÖḺ·½Ïò£¬ÔÚͼ£¨a£©ÖУ¬¸ù¾ÝÖʵãÕñ¶¯·½ÏòºÍ´«²¥·½ÏòÔÚͼÏóͬһ²à¿ÉÅжϲ¨µÄ´«²¥·½ÏòÏò×ó£¬Ñ¡ÏîB´í¡£Ê±ÖʵãPÔÚ×îµÍµã£¬¸ù¾ÝÖÜÆÚ£¬¿É֪ʱÖʵãPÔÚ×î¸ßµã£¬ËùÒÔʱ¼äÄÚÖʵãPͨ¹ýµÄ·³ÌΪ2±¶µÄÕñ·ù¼´£¬Ñ¡ÏîC¶Ô¡£ÖʵãPÏòyÖḺ·½Ïò Ô˶¯£¬Ñ¡ÏîD´í¡£µ½¹²¾­Àú£¬ËùÒÔÖʵãP¸ÕºÃ»Øµ½Æ½ºâλÖã¬Ñ¡ÏîE¶Ô¡£
¿¼µã£º»úеÕñ¶¯»úе²¨

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø