Physics Unit11: Vibrations and Waves (id: 955362793)

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]
A mass undergoes SHM with ampc *am* fos 932 g2)kvde:stfeqlitude of 4 cm. The energy is 8.0 Juis 0q*gk/fi- 72mao x at this time. The mass is cut in half, and tsa0 -oxi*7 um/i fgqk2he system is again set in motion with amplitude 4.0 cm. What is the energy of the system now?

A. $2.0J$
B. $4.0J$
C. $8.0J$
D. $16J$


参考答案:  C


本题详细解析: 暂无

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