Physics Unit26: Special Theory of Relativity (id: 322ac9c5f)

本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 国际高中通用物理

[单选题]
How fast would a rocket ship have to move to contract to half of its prfi k )ir8bnwqvdvg7 )pi7r3 10oper lnifct9-nani -uz-c 87 ength (as observed by a stationt ua -nn-c8z-ni97icf ary object)?

A. $0.50 \; c$
B. $0.65 \; c$
C. $0.78 \; c$
D. $0.87 \; c$


参考答案:  D


本题详细解析: 暂无

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