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]
A 0.30-kg mass is suspended on a spring. In equilibrium/u;q cxuu)w 3e (kmznb.r a9dt k6(q9 dql0z.g the mass stretches the spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released f6a9qm.z(zn9 rqgdd k(bt kl0.rom 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
| 
