£¨6·Ö£©Ä³¸ßÖÐ̽¾¿Ñ§Ï°Ð¡×éÓûÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬ËûÃÇÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×Èçͼ7ËùʾµÄ×°Öã®ÖÃÓÚ³¤Ä¾°åÉϵĻ¬¿éÒ»¿ªÊ¼´¦ÓÚ¾²Ö¹×´Ì¬£¬A¡¢BÊÇÁ½¸ö¹âµçÃÅ£¬ÓÃϸÏß½«»¬¿éͨ¹ýÒ»¸ö¶¨»¬ÂÖÓëһСɳͰÏàÁ¬£¬Ð¡É³Í°ÄÚ·ÅÊÊÁ¿Ï¸É³£¬ÊÍ·ÅСͰ£¬Èû¬¿é×ö¼ÓËÙÔ˶¯£®

(1)±¾ÊµÑéÖÐÓÐÒ»¸öÖØÒªµÄÊè©ÊÇ__________________________________________£®
(2)±¾ÊµÑé³ýÁËÐèÒª²âÁ¿»¬¿é¾­¹ý¹âµçÃÅA¡¢B´¦µÄËÙ¶Èv1£¬v2Ö®Í⣬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓÐ________£®(ÿ¸öÎïÀíÁ¿¶¼Òª±êÉÏÏàÓ¦µÄ×Öĸ)
(3)±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ________(ÇëÓÃv1¡¢v2ºÍµÚ(2)ÎÊÖÐÎïÀíÁ¿±íʾ)£®

(1)ƽºâĦ²ÁÁ¦
(2)»¬¿éµÄÖÊÁ¿M¡¢Ð¡Í°ºÍϸɳµÄ×ÜÖÊÁ¿m¡¢Á½¸ö¹âµçÃÅÖ®¼äµÄ¾àÀëL
(3)mgL£½Mv£­Mv

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ij¸ßÖÐ̽¾¿Ñ§Ï°Ð¡×éÓûÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬ËûÃÇÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Ïù£¬ÖÃÓÚ³¤Ä¾°åÉϵĻ¬¿éÒ»¿ªÊ¼´¦ÓÚ¾²Ö¹×´Ì¬£¬A¡¢BÊÇÁ½¸ö¹âµçÃÅ£¬ÓÃϸÏß½«»¬¿éͨ¹ýÒ»¸ö¶¨»¬ÂÖÓëһСɳͰÏàÁ¬£¬Ð¡É³Í°ÄÚ·ÅÊÊÁ¿Ï¸É³£¬ÊÍ·ÅСͰ£¬Èû¬¿é×ö¼ÓËÙÔ˶¯£®
£¨1£©±¾ÊµÑéÖÐÓÐÒ»¸öÖØÒªµÄÊè©ÊÇ
ûÓÐƽºâĦ²ÁÁ¦
ûÓÐƽºâĦ²ÁÁ¦
£®
£¨2£©±¾ÊµÑé³ýÁËÐèÒª²âÁ¿»¬¿é¾­¹ý¹âµçÃÅ A¡¢B´¦µÄËÙ¶Èv1¡¢v2Ö®Í⣬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓÐ
ÎïÌåµÄÖÊÁ¿MɳͰºÍɳµÄÖÊÁ¿m¡¢AB¼äµÄ¾àÀëL
ÎïÌåµÄÖÊÁ¿MɳͰºÍɳµÄÖÊÁ¿m¡¢AB¼äµÄ¾àÀëL
£¨Ã¿¸öÎïÀíÁ¿¶¼Òª±êÉÏÏàÓ¦µÄ×Öĸ£©
£¨3£©±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ
mgL=
1
2
M
v
3
2
-
1
2
M
v
2
1
mgL=
1
2
M
v
3
2
-
1
2
M
v
2
1
£¨ÇëÓÃv1¡¢v2ºÍµÚ£¨2£©ÎÊÖÐÎïÀíÁ¿±íʾ£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêºÓ±±Ê¡ÕżҿÚÊи߿¼Ô¤²âÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©Ä³¸ßÖÐ̽¾¿Ñ§Ï°Ð¡×éÓûÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬ËûÃÇÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×Èçͼ7ËùʾµÄ×°Öã®ÖÃÓÚ³¤Ä¾°åÉϵĻ¬¿éÒ»¿ªÊ¼´¦ÓÚ¾²Ö¹×´Ì¬£¬A¡¢BÊÇÁ½¸ö¹âµçÃÅ£¬ÓÃϸÏß½«»¬¿éͨ¹ýÒ»¸ö¶¨»¬ÂÖÓëһСɳͰÏàÁ¬£¬Ð¡É³Í°ÄÚ·ÅÊÊÁ¿Ï¸É³£¬ÊÍ·ÅСͰ£¬Èû¬¿é×ö¼ÓËÙÔ˶¯£®

(1)±¾ÊµÑéÖÐÓÐÒ»¸öÖØÒªµÄÊè©ÊÇ__________________________________________£®

(2)±¾ÊµÑé³ýÁËÐèÒª²âÁ¿»¬¿é¾­¹ý¹âµçÃÅA¡¢B´¦µÄËÙ¶Èv1£¬v2Ö®Í⣬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓÐ________£®(ÿ¸öÎïÀíÁ¿¶¼Òª±êÉÏÏàÓ¦µÄ×Öĸ)

(3)±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ________(ÇëÓÃv1¡¢v2ºÍµÚ(2)ÎÊÖÐÎïÀíÁ¿±íʾ)£®

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄêºÚÁú½­Ê¡ÆëÆë¹þ¶ûʵÑéÖÐѧ¸ßÒ»£¨Ï£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ij¸ßÖÐ̽¾¿Ñ§Ï°Ð¡×éÓûÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬ËûÃÇÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Ïù£¬ÖÃÓÚ³¤Ä¾°åÉϵĻ¬¿éÒ»¿ªÊ¼´¦ÓÚ¾²Ö¹×´Ì¬£¬A¡¢BÊÇÁ½¸ö¹âµçÃÅ£¬ÓÃϸÏß½«»¬¿éͨ¹ýÒ»¸ö¶¨»¬ÂÖÓëһСɳͰÏàÁ¬£¬Ð¡É³Í°ÄÚ·ÅÊÊÁ¿Ï¸É³£¬ÊÍ·ÅСͰ£¬Èû¬¿é×ö¼ÓËÙÔ˶¯£®
£¨1£©±¾ÊµÑéÖÐÓÐÒ»¸öÖØÒªµÄÊè©ÊÇ______£®
£¨2£©±¾ÊµÑé³ýÁËÐèÒª²âÁ¿»¬¿é¾­¹ý¹âµçÃÅ A¡¢B´¦µÄËÙ¶Èv1¡¢v2Ö®Í⣬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓÐ______£¨Ã¿¸öÎïÀíÁ¿¶¼Òª±êÉÏÏàÓ¦µÄ×Öĸ£©
£¨3£©±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ______2-
1
2
M
v21

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸