ǰλãҳ >> >>

甲、乙两个物体都做匀速圆周运动.转动半径比为3:4,在相同的时间里甲转过60圈时,乙转过45圈,则它们所受的向心加速度之

:
ס嶼Բ˶.ת뾶Ϊ3:4,...
ס嶼Բ˶.ת뾶Ϊ3:4,ͬʱת60Ȧʱ,ת45Ȧ,ܵļٶ֮Ϊ( ) A3:4 B4:3 C4:9 D9:...
һԤưһ¿
ס嶼Բ˶,ת뾶Ϊ34,ͬʱת60Ȧʱ, ת45Ȧ,ǵļٶ֮Ϊ ( A.3:4 B.4:3 C.4:9 )...
ʡѧ 5.5 ļٶȵ2...
嶼Բ˶.ת뾶Ϊ 3:4,ͬʱ ת 60 Ȧʱ,ת 45 Ȧ,ܵļٶ֮Ϊ ( ) A.3:4 ...
ס嶼Բ˶,֮Ϊ1:2,ת...
ס嶼Բ˶Ϊ1:2,ת뾶֮Ϊ1:2,ͬʱת60,ת45.ǵ֮Ϊ( )_𰸽_2014...
ס嶼Բ˶,֮ȡת뾶֮...
ס嶼Բ˶,֮ȡת뾶֮ȶΪ1:2,ڼת45Ȧʱ,ת60Ȧ,ĺ֮Ϊ( )_𰸽_2014...
㽭ʡжѧ2014-2015ѧһѧ...
ת뾶֮Ϊ 34,ͬʱת 60 Ȧʱ,ת 45 Ȧ,...תԿԲ˶,ٶʹ,Ϊ𳵸ת...
4 Բ˶
ס 嶼Բ˶ ת뾶Ϊ 3U4, ͬʱת 60 Ȧʱ,ת 45 Ȧ,ܵļٶ֮Ϊ( ) A.3U4 B...
ס嶼Բ˶.ת60Ȧʱ,ת...
嶼Բ˶,ת60Ȧʱ,ת45Ȧ,ݦ=2n,ܵĽٶ֮: 1:2=60:45=4:3 ˶12m·ʱ,...
׶ٺиһѧڵܿ(...
ס嶼Բ˶,ת뾶Ϊ 3:4,ͬʱת 60 Ȧʱ, ת 45 Ȧ,ܵļٶ֮Ϊ( A.3:4 B. 4;3 ...
ʱҵ4
Ϊ 34,ͬʱת 60 Ȧʱ,...a=r Ϊ =60, =45, A.34 C.4...Ϊ R Բ˶,ļٶȡ...
رǩ: