Physics Unit11: Vibrations and Waves (id: 920c37d64)

本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理

[单选题]
A pendulum has a perio 1v2 i8 +u0/zbwqv4hekvnmi6 vd of n+f*g2eduv) *2uqqlby),v9ac qkay 12.0 s on Earth. What is its length?

A. $2.0 \; m$
B. $1.0 \; m$
C. $0.70 \; m$
D. $0.50 \; m$


参考答案:  B


本题详细解析: 暂无

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