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]
One 20-year-old twin m:n-ua(q* uxa agdko 0u(9i3zbrother takes a space trip with a spe,5u /mohy q1ku lnc36 hnvjsau / nk75cn-z-5wed of 0.80c for 30 years according to a clock on the spaceship. Upon returning to the Earth, what is his own age and the age of the Eartaz6w3ms5nnc-uh5j hl yq7un -kno/1k/c5u,v h-based twin brother?
A. 20; 30
B. 30; 50
C. 50; 70
D. 70; 90
参考答案: C
本题详细解析:
暂无
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