Circular Motion (id: f151663b1)

本题目来源于试卷: Circular Motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
08.14: A particle continuof- ipp.):3vn-ls y qyewsac04usly moves in a circular path at consge7x ea qa*axh )/r+v.tant speed in a counter- clockwise direction. Consider a time interval during which the particle move )hqx x+ara/eg*.va e7s along this circular path from point P to point Q. Point Q is exactly half-way around the circle from Point P.
What is the direction of the average velocity during this time interval?

A.
B.
C.
D.
E.


参考答案:  B


本题详细解析: 暂无

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