本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 国际高中通用物理
[单选题]
When the mass of a simple pendulum qzm:cw1-x 7en/z ddkp:y z:g*is trirr p;ky6fi bayrqj;4c7) ;l0u a +k3ojpled, the time required for one completey i7 bo4rra;;jkrk c;ja )+lupy036fq vibration
A. increases by a factor of 3.
B. does not change.
C. decreases to one-third of its original value.
D. decreases to 1/3 of its original value.
参考答案: B
本题详细解析:
暂无
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