本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 通用国际物理
[单选题]
One 20-year-old twin brother tebr,n; o9mi,d rc5v0makes a space trip with pbfeua*2 q3z tkhe08/p36kgxd/z q1aa speed of 0.80c for 30 years according to a clock on the spaceship. Upon returning to the Earth, whaquaep/3 8x3 dtab 0hzef 1p/6zk qg*k2t is his own age and the age of the Earth-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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