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 brkrb68*-*:m gnoz 6 elvlhrhy1ak:b2yt/ -9z*ic sf,q 5ill9p w-xn oeother takes a space trip with a speed of 0.80c for 30 years according to a clock on the spaceship.9in,i-b poce*2l a y5flz k/qx-t9: ws Upon returning to the Earth, what 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
| 
