µØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀër¿ÉÓÉr3=
a2b2c
4¦Ð2
Çó³ö£¬ÒÑ֪ʽÖÐaµÄµ¥Î»ÊÇm£¬bµÄµ¥Î»ÊÇS£¬cµÄµ¥Î»ÊÇm/s2£¬Ôò£¨¡¡¡¡£©
A£®aÊǵØÇò°ë¾¶£¬bÊǵØÇò×ÔתµÄÖÜÆÚ£¬cÊǵØÇò±íÃæ´¦µÄÖØÁ¦¼ÓËÙ¶È
B£®aÊǵØÇò°ë¾¶£¬bÊÇͬ²½ÎÀÐÇÈƵØÐÄÔ˶¯µÄÖÜÆÚ£¬cÊÇͬ²½ÎÀÐǵļÓËÙ¶È
C£®aÊdzàµÀÖܳ¤£¬bÊǵØÇò×ÔתÖÜÆÚ£¬cÊÇͬ²½ÎÀÐǵĽÇËÙ¶È
D£®aÊǵØÇò°ë¾¶£¬bÊÇͬ²½ÎÀÐÇÈƵØÐÄÔ˶¯µÄÖÜÆÚ£¬cÊǵØÇò±íÃæ´¦µÄÖØÁ¦¼ÓËÙ¶È
ÎïÌåÔÚÍòÓÐÒýÁ¦×÷ÓÃÏÂ×öÔÈËÙÔ²ÖÜÔ˶¯£¬ÆäËùÐèµÄÏòÐÄÁ¦ÓÉÍòÓÐÒýÁ¦Ìṩ£¬
¼´£º
GMm
r2
=
mv2
r
=m¦Ø2r=
m4¦Ð2r
T2

ÒòΪµØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀërÖаüº¬4¦Ð2£¬
ËùÒÔ´ËÌâÓõĹ«Ê½Ó¦ÊÇ
GMm
r2
=
m4¦Ð2r
T2

ÕûÀíµÃµ½£ºr3=
GMT2
4¦Ð2
                  ¢Ù
´Ë±í´ïʽºÍÌâÄ¿Ëù¸øµÄ±í´ïʽ»¹Óв»Í¬Ö®´¦£¬ÄÇôÎÒÃÇ¿ÉÒÔÓûƽð´ú»»£ºGM=gR2£¨RÊǵØÇò°ë¾¶£©
´úÈë¢ÙµÃµ½£ºr3=
gR2T2
4¦Ð2

½áºÏÌâÄ¿Ëù¸øµ¥Î»£¬aµÄµ¥Î»ÊÇÃ×£¬Ôòa¶ÔÓ¦µØÇò°ë¾¶R£¬bµÄµ¥Î»ÊÇÃ룬Ôòb¶ÔӦͬ²½ÎÀÐǵÄÖÜÆÚT£¬Ò²ÊǵØÇò×ÔתÖÜÆÚT£¬cµÄµ¥Î»Ã×ÿ¶þ´Î·½Ã룬Ôòc¶ÔÓ¦ÖØÁ¦¼ÓËÙ¶Èg
¹Ê£ºA¡¢DÕýÈ·£¬B¡¢C´íÎó
¹ÊÑ¡£ºAD
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

µØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀër¿ÉÓÉr3=
a2b2c
4¦Ð2
Çó³ö£®ÒÑ֪ʽÖÐaµÄµ¥Î»ÊÇs£¬bµÄµ¥Î»ÊÇm£¬cµÄµ¥Î»ÊÇm/s2£¬Ôò£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

µØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀër¿ÉÓÉr3=
a2b2c
4¦Ð2
Çó³ö£¬ÒÑ֪ʽÖÐaµÄµ¥Î»ÊÇm£¬bµÄµ¥Î»ÊÇS£¬cµÄµ¥Î»ÊÇm/s2£¬Ôò£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

µØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀër¿ÉÓÃÖÊÁ¿M¡¢µØÇò×ÔתÖÜÆÚTÓëÒýÁ¦³£Á¿G±íʾΪr=
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

µØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀër¿ÉÓÉr3=
a2b2c
4¦Ð2
Çó³ö£®ÒÑ֪ʽÖÐaµÄµ¥Î»ÊÇm£¬bµÄµ¥Î»ÊÇs£¬cµÄµ¥Î»ÊÇm/s2£¬ÔòÏÂÁÐÃèÊöÕýÈ·µÄÊÇ£¨¡¡¡¡£©
¢ÙaÊǵØÇò°ë¾¶£¬bÊǵØÇò×ÔתµÄÖÜÆÚ£¬cÊǵØÇò±íÃæ´¦µÄÖØÁ¦¼ÓËÙ¶È
¢ÚaÊǵØÇò°ë¾¶£¬bÊÇͬ²½ÎÀÐÇÈƵØÐÄÔ˶¯µÄÖÜÆÚ£¬cÊÇͬ²½ÎÀÐǵļÓËÙ¶È
¢ÛaÊdzàµÀÖܳ¤£¬bÊǵØÇò×ÔתµÄÖÜÆÚ£¬cÊÇͬ²½ÎÀÐǵļÓËÙ¶È
¢ÜaÊǵØÇò°ë¾¶£¬bÊÇͬ²½ÎÀÐÇÈƵØÐÄÔ˶¯µÄÖÜÆÚ£¬cÊǵØÇò±íÃæ´¦µÄÖØÁ¦¼ÓËٶȣ®
A¡¢¢Ù¢ÜB¡¢¢Ú¢ÛC¡¢¢Û¢ÜD¡¢¢Ù¢Ú

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

µØÇòͬ²½ÎÀÐǵ½µØÐĵľàÀër¿ÉÓÉr3=
a2b2c
4¦Ð2
Çó³ö£¬ÒÑ֪ʽÖÐaµÄµ¥Î»ÊÇm£¬bµÄµ¥Î»ÊÇs£¬cµÄµ¥Î»ÊÇm/s2£¬Ôò£¨¡¡¡¡£©
A¡¢aÊǵØÇò°ë¾¶£¬bÊǵØÇò×ÔתµÄÖÜÆÚ£¬cÊǵØÇò±íÃæ´¦µÄÖØÁ¦¼ÓËÙ¶È
B¡¢aÊǵØÇò°ë¾¶£¬bÊÇͬ²½ÎÀÐÇÈƵØÐÄÔ˶¯µÄÖÜÆÚ£¬cÊÇͬ²½ÎÀÐǵļÓËÙ¶È
C¡¢aÊdzàµÀÖܳ¤£¬bÊǵØÇò×ÔתÖÜÆÚ£¬cÊÇͬ²½ÎÀÐǵijµËÙ¶È
D¡¢aÊǵØÇò°ë¾¶£¬bÊÇͬ²½ÎÀÐÇÈƵØÐÄÔ˶¯µÄÖÜÆÚ£¬cÊǵØÇò±íÃæ´¦µÄÖØÁ¦¼ÓËÙ¶È

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸