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]
Simple pendulum A swings back and forth at twice the dn6pjs 4 7fc/ 0txl0 g9dbb8cbfrequed (k5hfa;vvozjs4s*4 ncy of simple pendulum B. W5kv*a jfzo(d4s;4 h vshich 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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