Physics Unit26: Special Theory of Relativity (id: 67be10d98)

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]
What is the speed of a proton imjix(pqak 6xytkl11a 8+r03 n f its mass is( )k ,n/oq* yiv uaxhun.+5cdf twice its rest mass?

A. $0.50 \; c$
B. $0.68 \; c$
C. $0.73 \; c$
D. $0.87 \; c$


参考答案:  D


本题详细解析: 暂无

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