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 amplitude of a vibrating mass-and-spring systeoie my*cfyof64j7p *(:qv73mcg q/c f-vpx r9m produces what effect on the system's mechanical enerm7-3gv9cqvq/cxr p: f gy?
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: C
本题详细解析:
暂无
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