ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬ÔÚx£¾0µÄ¿Õ¼äÖдæÔÚÑØxÖá·½ÏòµÄÔÈÇ¿µç³¡£¬µç³¡Ç¿¶ÈE£½10N/C£»ÔÚx£¼0µÄ¿Õ¼äÖдæÔÚ´¹Ö±xOyƽÃæ·½ÏòµÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶ÈB£½0.5T¡£Ò»´ø¸ºµçµÄÁ£×Ó£¨ºÉÖʱÈq/m=160C/kg£©ÔÚx£½ 0.06m´¦µÄdµãÒÔv0=8m/sµÄ³õËÙ¶ÈÑØyÖáÕý·½Ïò¿ªÊ¼Ô˶¯£¬²»¼Æ´øµçÁ£×ÓµÄÖØÁ¦¡£Çó£º
1.´øµçÁ£×Ó¿ªÊ¼Ô˶¯ºóµÚÒ»´Îͨ¹ýyÖáʱ£¬ÓëyÖáµÄ½»µã¾àOµãµÄ¾àÀ룻
2.´øµçÁ£×Ó½øÈë´Å³¡ºó¾¶à³¤Ê±¼ä·µ»Øµç³¡£»
3.´øµçÁ£×ÓÔ˶¯µÄÖÜÆÚ¡£
1.0.069m
2.0.026S
3.0.041S
½âÎö:
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿