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]
A spaceship takes a nonstop journey to a planet and returns in 10 hours r5bw,dlksibe-+ 90 ctt pe)x8acc3.h u:vlw i5lebbj/).p drdbo3a*w/ qording to a clock on the spaceship. If the/qabe )p3lub3w.o :b *rji vd/w.lhd5 speed of the spaceship is 0.80c, how much time has elapsed on the Earth?
A. $3.2 \; h$
B. $7.0 \; h$
C. $15 \; h$
D. $17 \; h$
参考答案: D
本题详细解析:
暂无
| 
