| 
        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]Consider a particle m8ys e649fbdu vtm rs4d vu9,ha eb23q5oving with constant speed such that its acceleration of constant magnitude is always perpendicular to its veloci  bt9hqds4rvue2a3,m 5ty.
 
 
 
A. It is moving in a straight line. B. It is moving in a circle.
 C. It is moving in a parabola.
 D. None of the above is definitely true all of the time.
 
 
 参考答案:  B
 
 
 本题详细解析:
 暂无
 |