Physics Unit26: Special Theory of Relativity (id: 158f3b1a3)

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 boat can travel 4.0 m/s in stil ib;0y g bta9pu4se*v.rtx-a)l water. With what spsa,fc b gt3yzwo2i 07e:,9ceteed, relative to the shore, does it move in a river that is flowing at 1.0 m/s if the boae:2ti7e,zbwf3oa c , g cty0s9t is heading straight across the river?

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


参考答案:  B


本题详细解析: 暂无

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