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 suspe d9y ji mx 3*5/s7h kgn))3agz9 t*eaqxurw6utnded on a e3httwqz4z4p,;kmc5spring. In equilibrium the mass stretches the spring 2.0 cm downc45t zz3kq tmp,;we4 hward. The mass is then pulled an additional 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
| 
