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 b n k0,m(1pcvz1ee j,4 s cjwal-elow is a snapshot of three cars all mo c r:wpk*s ;)tmsb7m 67dczf3wving counterclockwise during a one lap race on a w6 p*sbk;rmw ) 7:stdm 7cc3fzn 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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