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]
Which of the following is hs6xpkv n .6w)s*r4gu,g( gao an accurate statem6p p 0kqgdb,z7ent?
A. A vector cannot have zero magnitude if one of its components is not zero.
B. The magnitude of a vector can be less than the magnitude of one of its components.
C. If the magnitude of vector A is less than the magnitude of vector B, then the x-component of A is less than the x-component of B.
D. The magnitude of a vector can be positive or negative.
参考答案: A
本题详细解析:
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