本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 国际高中通用物理
[单选题]
A 3.0-kg mass is poshe sf96 a +8cxcbud6sh9vfd64)ez ,kwitixu7 g*pa /caw4va;;beoned at (0, 8.0), and a 1.0-kg mass is positioned at (12, 0). What are the coordinates of a 4.0-kg mass which will result in the center of mass of the system of three masses being located at the origin, (uxwga7 e v/*4bc;aa; p0, 0)?
A. (-3.0, -6.0)
B. (-12, -8.0)
C. (3.0, 6.0)
D. (-6.0, -3.0)
参考答案: A
本题详细解析:
暂无
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