試卷名稱:111年 - 111 臺灣綜合大學系統_學士班轉學生聯合招生考試:普通物理C#125313
年份:111年
科目:研究所、轉學考(插大)◆普通物理學
1. A boy wants to row across a river in the shortest possible time. He can row at 2 m/s in still water and the river is flowing at 1 m/s. At what angle θ should he point the bow (front) of his boat?
(A) 30°
(B) 45°
(C) 60°
(D) 53°
(E) 90°.