本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理
[单选题]
A 0.200-kg mass attached5*g5-u vudcq+omy + og9ohl/t to the end ofm 5:10n:r hdzb 2ifobmu 6aa6m a spring causes it to stretch 5.0 cm. If another 0.200-kg mass is added to the spring, the potential energy of the spri d5bha1 ubri0a6zm: f62:o mmnng will be
A. the same.
B. twice as much.
C. 3 times as much.
D. 4 times as much.
参考答案: D
本题详细解析:
暂无
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