Physics Unit11: Vibrations and Waves (id: dff17949e)

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 length of a simple pendulum is gh 2+d/ ylt5dsb7 yj5ztripled,mxhx;9yn z6ywyis k)s*3 l(j+k/n7 i.6cyyp u the time for one complete vibration increases by k9j3; xuyyshw6k*iym6) s (cnyn.+yz7/pix l a factor of

A. 3.
B. 2.
C. 1.7.
D. 1.4.


参考答案:  C


本题详细解析: 暂无

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