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]
A spaceship moves away from 6.zft9-cll*ufppl s+ the E5.wiy.* alrvy n9+spo ji/ 0cm yoso;nf8((j sarth with a speed of 0.80c. The spaceship then fires a missile with a speed of 0.50c relative to the spaceship. What is the velocity of the missile measured by observers on the Earth if the missile is fired .y+ sa9 oyf 5imc(lrno;(s j 8/.*jnwo0v ypisaway from the Earth?
A. $0.30 \; c$
B. $0.50 \; c$
C. $0.93 \; c$
D. $1.3 \; c$
参考答案: C
本题详细解析:
暂无
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