本题目来源于试卷: Circular Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.23: A car moves with co ,p qz *.ijp5xrnstant nfi/r,qveau8 / .:yira sur dg +k**zt,lul 12speed around a horseshoe-shaped path as shown with the arrows in the figure. Which one of the follo flrze/u1yquad* / 8,+ur:iv.,sk l*g tnir2 awing choices best describes the direction of the average acceleration of the car in traveling from Wto X?
 
A.
B.
C.
D.
E.
参考答案: A
本题详细解析:
暂无
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