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]
Doubling only the amp*m dz9/ nqxf bsgm:a8fi8 y/:jlitude of a vne.:0aff xllfgq z+na65u1dq* : y5s-vr;e jw ibrating mass-and-spring system produces what effect on5;j-+*vrf qyaef nu aed5gsl x:w l.q0:fz16n the system'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: C
本题详细解析:
暂无
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