本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation,类别为 通用国际物理
[单选题]
An object moves in a circulm*y zam .ee93hrr5 bch9,hmz9 ar path at a constant speed. Compa ,6ev/lgint 7duw qj(8re the direction of th8gutq v(, ldij/7ne6 we object's velocity and acceleration vectors.
A. Both vectors point in the same direction.
B. The vectors point in opposite directions.
C. The vectors are perpendicular.
D. The question is meaningless, since the acceleration is zero.
参考答案: C
本题详细解析:
暂无
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