Space Time & Motion A.1 Kinematics (id: b8d9bdf6a)

本题目来源于试卷: Space Time & Motion A.1 Kinematics，类别为 IB物理学

[单选题]
An object moves 9m east*t,*ayk3yf p h,gwxs zgrujgxx; 5; b7m:iz(6ux8 3xw2 then $12\,m$ north.
What is the magnitude of the total displacement of this object?

A. 3 m
B. 15 m
C. 21 m
D. 66 m


参考答案:  B


本题详细解析:

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