本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 通用国际物理
[单选题]
A 3.0-kg mass is positione98 mfkkj g-(dfd at (0, 8.0), and a3t wf(lo/9 aigz+* tzs 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 bes * ott+/3lgwz(9iazfing located at the origin, (0, 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
| 
