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]
03.03: The diagram below is a snapshot of three cars all m lql 1gf+0)l5pf nje soah:9*u oving in/2qy;-t8v+co fpmy counterclockwise during a one lap rac +2 ;yv-mqoi8/c pntfye on an elliptical track.
Which car can finish the race without changing its present momentum?
A. carA
B. car B
C. car C
D. none of the three cars can finish the race with its present momentum
E. cannot be determined with information provided
参考答案: D
本题详细解析:
暂无
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