A boy wishes 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
$\theta$
should he point the bow (front) of his boat?
A) 30
B) 45
C) 60
D) 63
E) 90

Question

A boy wishes 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 
$\theta$
 should he point the bow (front) of his boat? 
A) 30 
B) 45 
C) 60 
D) 63 
E) 90

Quizplus · Accepted Answer

The Answer of A boy wishes 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 
$\theta$
 should he point the bow (front) of his boat? 
A) 30 
B) 45 
C) 60 
D) 63 
E) 90

A Boy Wishes to Row Across a River in the Shortest