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

[单选题]
A boat can travel 4.0 m/s in still water. With what sphw.fkq,oao 06*qlcy , eed, 6tabjq6aj9qiq 5 v),srelative to the shore, does it move in a river that is flowing at 1.0 m/s if the boat is headi9 q)js6jaa,q5 tqvi b6ng 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