A boy wishes to cross a river in the shortest possible time, without necessarily landing directly across from his starting point.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 cross a river in the shortest possible time, without necessarily landing directly across from his starting point.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 cross a river in the shortest possible time, without necessarily landing directly across from his starting point.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 Cross a River in the Shortest θ\thetaθ

A Boy Wishes to Cross a River in the Shortest $\theta$