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【单选题】
两弹簧 A 、 B ,其力常数均为 K = 4.0 × 10 -5 N/cm ,一个 1.0 g 的球连接并处于振动状态。弹簧 A 球的最大位移距离是 ±1.0 cm ,弹簧 B 球的最大位移距离是 ±2.0 cm 。二者的振动频率( )。A.
> B
B.
> A
C.
A = B
D.
A ≠ B
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