本题目来源于试卷: Relative Velocity，类别为 美国物理杯赛(Physics Bowl)
[单选题]
07.47: Two spaceships travelku)0-yjw5 lfw along paths that are 9 dhy) q7(ul o n+l4iv;fxkre,at right angles to each other. Each ship travels at 0.60c where c is the speed of light in a vacuum according to a stationary observer. If one of the ships turns on a green laser and aims it at a right angle to the direction of its travel, with what speed does the other speed record the speed of the green y7;k +,4 n lfvh9ue)ord qxi(llight?
A. 0.40 c
B. 0.85 c
C. 1.00 c
D. 1.17 c
E. More information is required about the direction that the light is traveling in order to answer the question.
参考答案: C
本题详细解析:
暂无
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