本题目来源于试卷: Rotational basic parameter，类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.01: The diagram below i 2e(6eo v6vqpa s a ve sg*7kf/)hq7 r0xrv hr,r p0snapshot of three cars all moving counterclockwise du x 7vsrrfpkq0r0v7h),e r h*/g ring a one lap race on an elliptical track.
Which car has had the lowest average speed during the race so far?
A. carA
B. car B
C. car C
D. all three cars have had the same average speed
E. cannot be determined with information provided
参考答案: C
本题详细解析:
暂无
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