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 ot2jb9gbk9 pkl a5b;3sj)bz8 cf a vibrating manfl,f-/ i phtu-jrq)(ss-and-spring system produces what effect on the system's mechqt -fpn(/ frh-)i,l ujanical 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: C
本题详细解析:
暂无
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