Physics Unit26: Special Theory of Relativity (id: c115812b9)

admin

本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 Generic Physics

[单选题]
How fast would a rocketrz*5oz8si+ait+ gu5r x4wk .7z(qj6q uxwi)99tas s nship have to move to contract to half of its proper length (as observed by a stat6 tain jsw9uzx s9 qx7(qw4k).ionary 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