Space Time & Motion A.5 Special Relativity (id: 7b31c4028)

本题目来源于试卷: Space Time & Motion A.5 Special Relativity，类别为 IB物理学

[单选题]
In a distant future, an argn;md ;a ;v 7;hl;kcxegf nk99ea with8z ew.,i6i kty dimensions of $2.0ly$ and $5.0ly$, as measured by a stationary observer on Earth, is reserved for a spaceship road. The diagram illustrates the area and the direction of motion for a spaceship moving at a speed of $0.6c$



What is the area of the road from the perspective of the observer in the spaceship?

A. $6.4ly^2$
B. $8.0ly^2$
C. $10ly^2$
D. $13ly^2$


参考答案:  B


本题详细解析:

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