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 continuously moves in a circ 0wj j7cdm*yvc 3r;n d0.li/doular ivgzy( z 3*wg:uv+, jv path at constant speed in a counter- clockwise direction. Consider a time interval during which the particle moves along this circular path from point P to point Q. Point Q is exac wg3g vz:v (* +y,juzvitly 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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