Physics Unit7: Linear Momentum (id: 64d095f2f)

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 4.00-kg mass sits at the origin, and a 10.0-kg mass sitwasg/tw h3klz;u,vw2m06rx +,( nmpf s at xk;c2yp ::bb a7vkz9r- i2whaw = + 21.0 m. Where is the centea2akbwb y;pkh7r:v z-i9c:2wr of mass on the x-axis?

A. +7.00 m
B. +10.5 m
C. +14.0 m
D. +15.0 m


参考答案:  D


本题详细解析: 暂无

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