Physics Unit3: Kiematics Motion in Two Dimension & Vectors (id: ea5cb3e3f)

本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 通用国际物理

[单选题]
Two vectors, of magnitudes 20 and 50, are added. Which one ofcunum /;4c,lwqbf tl1myp+ 1 ;i jr1+sa z. s*/kun/zjam h+7w the following is a possible answer for the magnituj jzrk. /sihas7+/ a+zun*w1m de of the resultant?

A. 10
B. 20
C. 40
D. 80


参考答案:  C


本题详细解析: 暂无

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