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 0.30-kg mass is suspendkpzrpo3x vg:rpn7i.4 h29vi2jt85 jc ed wpi6glqog a -k01rf;g rvu( bi4j.2*oon a spring. In equilibrium the mass stretches the spring 2.0 cm downward. The mass is then pulled an addition0rrga62v*fq1 bu g-i ogwj.4ol;(ipkal distance of 1.0 cm down and released from rest. Calculate the total energy of the system.
A. $0.0074 \; J$
B. $0.015 \; J$
C. $0.022 \; J$
D. $0.030 \; J$
参考答案: A
本题详细解析:
暂无
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