如图所示,为A、B两质点做匀速圆周运动的向心加速度随半径变化的

如图所示,为A、B两质点做匀速圆周运动的向心加速度随半径变化的图象.其中A为双曲线的一个分支.由图可知  (    )

                                                    

A.A物体运动的线速度大小不变   

B.A物体运动的角速度大小不变

C.B物体运动的角速度大小不变   

D.B物体运动的线速度大小不变

 

 

答案

AC

解析:略

 

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