ÔÚ̽¾¿¡°Í¹Í¸¾µ³ÉÏñ¹æÂÉ¡±µÄʵÑéÖУ¬Ð¡ÐÀ¼Ç¼µÄ²¿·ÖʵÑéÊý¾ÝÈçÏÂ±í£»

½¹¾à

´ÎÊý

Îï¾à

u/cm

Ïñ¾à

v/cm

ÏñµÄÐÔÖÊ

Ðéʵ

´óС

µ¹Õý

f= l0cm

1

45

13

ʵÏñ

a

2

30

15

3

18

22

ʵÏñ

b

4

16

25

(1)±í¸ñÖÐÓм¸ÏîÄÚÈÝ©дÁË£¬ÇëÄã°ïÖúÌî²¹£ºa________£»b________¡£

(2)ʵÑé¹ý³ÌÖÐСÐÀ¹Û²ìµ½µÚ2´ÎËù³ÉµÄÏñ________£¨Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©µÚ1´ÎËù³ÉµÄÏñ¡£

(3)µ±°ÑÀ¯Öòµ÷µ½¾àÀë͸¾µ8cmµÄλÖÃʱ£¬Ð¡ÐÀ·¢ÏÖÎÞÂÛÒƶ¯¹âÆÁ£¬¹âÆÁÉÏʼÖյò»µ½Ïñ¡£ÎªÁ˹۲쵽ÕâʱËù³ÉµÄÏñ£¬ÑÛ¾¦ºÍÀ¯ÖòÓ¦¸ÃÔÚ͹͸¾µµÄ________£¨¡°Í¬¡±»ò¡°Ò족£©²à¡£ 

£®£¨4·Ö£©(1)ËõСµ¹Á¢  (2)´óÓÚ  (3)Òì

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£ºÇáËÉÁ·Ï°30·Ö(²âÊÔ¾í)°ËÄ꼶ÎïÀíϲá ÌâÐÍ£º058

ÔÚ̽¾¿Í¹Í¸¾µ³ÉÏñ¹æÂɵÄʵÑéÖУ¬ËùÐèµÄÆ÷²Ä³ýÁË͹͸¾µ¡¢¿Ì¶È³ß¡¢¹â¾ß×ùºÍ»ð²ñÍ⣬»¹ÐèÒª________ºÍ________£®°Ñ________·ÅÔÚÀë͹͸¾µ¾¡Á¿Ô¶µÄλÖÃÉÏ£¬µ÷½ÚËüÃǵĸ߶ȣ¬Ê¹________¡¢________ºÍ________ÔÚÒ»ÌõÓë¹â¾ß×ùƽÐеÄÖ±ÏßÉÏ£¬µ÷Õû________µ½Í¹Í¸¾µµÄ¾àÀ룬ʹ________ÔÚÆÁÉϳÉÒ»¸öÇåÎúµÄÏñ£¬¹Û²ìÏñµÄ________¡¢________¡¢________¸÷ÔõÑù±ä»¯£¬²¢¹æ²â³ö________¡¢________µ½Í¹Í¸¾µµÄ¾àÀ룮

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨10ÕÑͨ£©ÈçͼËùʾÊÇСÃ÷ͬѧ̽¾¿¡°Í¹Í¸¾µ³ÉÏñµÄ¹æÂÊ¡±ÊµÑé×°ÖÃ(͹͸¾µµÄ½¹¾àΪ15cm)

(1)×°ÖÃÖÐÃ÷ÏÔ´íÎóµÄÊÇÖòÑ桢͹͸¾µºÍ¹âÆÁÈýÕßµÄÖÐÐÄ        £¬Òò¶øµ¼Ö¹âÆÁÉϽÓÊÕ²»µ½ÖòÑæµÄÏñ£¬Ð¡Ã÷µ÷ÕûºÃ×°Öú󣬹âÆÁÉÏËù³ÉµÄÏñÊǵ¹Á¢     µÄʵÏñ£¬ÕâÖÖ³ÉÏñ¹æÂÉÔÚʵ¼ÊÖеÄÓ¦ÓÃÓÐ(Çë¾Ù³öÒ»Àý)               £®

(2)Èç¹û½«ÖòÑæÒƵ½×°ÖÃͼÖÐ20cm´¦£¬ÔÚ¹âÆÁÉÏ      (Ìî¡°ÄÜ¡±»ò¡°²»ÄÜ¡±)³Ð½Óµ½Ïñ£¬ÕâÊÇÒòΪ                           ¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸