Work Energy and Power (id: 584c7f667)

本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)

[单选题]
96.20: A force of 10 N shcurg+ghsf: 0thymu4 : 1z,6e tretches jf-arho4 b/v- a spring that has a spring constant of 20 N/m. The potential energy stored o jfh/r -4a-bvin the spring is:

A. 2.5J
B. 5.0J
C. 10J
D. 40J
E. 200J


参考答案:  A


本题详细解析: 暂无

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