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]
Doubling only the mass of a vibratiuwve*eczk8.q p0vg. /ng mass-and-spring system prodcwg*x/rk7fz ,*uyk( wp; pg7f uces what effect on the system's mechanical enzkpxf*77w(y *f wg,k;u grp c/ergy?
A. increases the energy by a factor of two
B. increases the energy by a factor of three
C. increases the energy by a factor of four
D. produces no change
参考答案: D
本题详细解析:
暂无
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