Physics Unit26: Special Theory of Relativity (id: 28319e608)

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

[单选题]
A boat can travel 4.0 m8(ot+kf jyyq em +3e3k/s in still water. With what speed, relative to thede 5 r)q qjx3+:ef5sje shore, does it move in a river that is flowing 5qq5f:)eje j xr3s de+at 1.0 m/s if the boat is heading upstream?

A. 3.0 m/s
B. 4.1 m/s
C. 4.8 m/s
D. 5.0 m/s


参考答案:  A


本题详细解析: 暂无