ÌâÄ¿ÄÚÈÝ

ij¿ÎÍâС×éµÄͬѧΪÁËÑо¿ÎÏÅ£µÄÔ˶¯Çé¿ö£¬½«ÎÏÅ£·ÅÔڿ̶ȳßÉÏÈÃÆäÑØ×ſ̶ȳßÅÀÐУ¬²¢Ã¿¸ô10sÅÄÉã¼Ç¼ÎÏÅ£µÄλÖã¬Æ´³ÉÈçͼËùʾµÄͼƬ£®

ͬѧÃÇÒÀ¾Ý´ËͼƬµÄÇé¾°£¬ÁбíÈçÏ£®
£¨1£©ÇëÄã¸ù¾ÝͼÖеÄÇé¾°£¬°Ñ±í¸ñÖеÄÄÚÈݲ¹³äÍêÕû£»
ÕÕƬÐòºÅ 1 2 3 4 5 6
ʱ ¼ä t/s 0 10  20 30 40 50
 Â·³Ìs/cm 0 1.20 3.42 6.12
£¨2£©¸ù¾ÝÉϱíµÄÊý¾Ý£¬Äã¿ÉµÃ³öÎÏÅ£ÊÇ×ö
±äËÙ
±äËÙ
Ô˶¯£¬£¨Ìî¡°ÔÈËÙ¡±»ò¡°±äËÙ¡±£©ÎÏÅ£ÔÚÇ°30sÄÚµÄƽ¾ùËÙ¶ÈÊÇ
0.114
0.114
cm/s£¬Õû¸ö50s ÄÚµÄƽ¾ùËÙ¶ÈÊÇ
0.1224
0.1224
cm/s£®
·ÖÎö£º½â¾ö´ËÌâ¹Ø¼üÊÇ»áÓÿ̶ȳ߶ÁÊý£¬Íê³É±í¸ñÊý¾Ý£¬È»ºó¸ù¾Ýƽ¾ùËٶȹ«Ê½v=
S
t
½øÐÐÇó½âƽ¾ùËٶȣ®
½â´ð£º½â£º£¨1£©¸ù¾ÝÕÕƬ¿ÉÒÔ»ñµÃÊýÖµ£¬Íê³É±í¸ñ£º
ÕÕƬÐòºÅ 1 2 3 4 5 6
ʱ ¼ä t/s 0 10  20 30 40 50
 Â·³Ìs/cm 0 1.20 2.22 3.42 4.87 6.12
£¨2£©Óɱí¸ñÖÐÊý¾Ý¿ÉÖª£¬ÎÏÅ£×öµÄÊDZäËÙÔ˶¯£¬ÔÚÇ°30sÄڵķ³ÌÊÇ3.42cm£¬Òò´Ëƽ¾ùËÙ¶ÈV=
S
t
=
3.42cm
30s
=0.114cm/s£»
Õû¸öt=50sÄڵķ³Ìs=6.12cm£¬ÓÉƽ¾ùËٶȹ«Ê½v=
S
t
=
6.12cm
50s
=0.1224cm/s£®
¹Ê´ð°¸Îª£º±äËÙ£»0.114£»0.1224£®
µãÆÀ£º´ËÀàͨ¹ý±í¸ñÐÎʽÌṩÐÅÏ¢µÄÌâÄ¿£¬¹Ø¼üÊÇÄÜ´Ó±í¸ñÖеõ½ÐèÒªÐÅÏ¢£¬ÔÙ½áºÏÌâÄ¿ÎÊÌâÀûÓÃÎïÀí¹«Ê½½øÐÐÇó½â£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø