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]
Simple pendulum A swing cu 18uch80v.p tpgoh9s back and forth at twice the fre/-b9rd-mev9s q3(wvl fel :hnquency of simple pendulum B. bels-9:m hv wdv-qr 3l (f9n/eWhich statement is correct?
A. Pendulum B is twice as long as A.
B. Pendulum B is twice as massive as A.
C. The length of B is four times the length of A.
D. The mass of B is four times the mass of A.
参考答案: C
本题详细解析:
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