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 vibratemucc :r780(1nt);v dqma jating mass-and-spring system producesnv8 in.eok7c tw3, v+l what effect on the sc8vv.n i nekwt+ 37o,lystem's mechanical energy?
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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