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 b tcdn/*wvle 4g4b ct7- elow is a snapshot of three 3-kk(hi*wb m b cars all moving counterclockwise durin k3 m khib-b*w(g 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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