A boat crosses a stream which is flowing at 10.0 m/s.The driver of the boat wants to cross the river and arrive directly across the river from where he departed (point A to point B).What boat speed in m/s is needed to go directly across the river if the driver steers upstream with $\theta$ = 30.0 $\circ$ as shown?
A)7.5
B)10.0
C)15.0
D)20.0
E)25.0

Question

A boat crosses a stream which is flowing at 10.0 m/s.The driver of the boat wants to cross the river and arrive directly across the river from where he departed (point A to point B).What boat speed in m/s is needed to go directly across the river if the driver steers upstream with $\theta$ = 30.0 $\circ$ as shown? 
A)7.5 
B)10.0 
C)15.0 
D)20.0 
E)25.0

Quizplus · Accepted Answer

The Answer of A boat crosses a stream which is flowing at 10.0 m/s.The driver of the boat wants to cross the river and arrive directly across the river from where he departed (point A to point B).What boat speed in m/s is needed to go directly across the river if the driver steers upstream with $\theta$ = 30.0 $\circ$ as shown? 
A)7.5 
B)10.0 
C)15.0 
D)20.0 
E)25.0

A Boat Crosses a Stream Which Is Flowing at 10 θ\thetaθ

A Boat Crosses a Stream Which Is Flowing at 10 $\theta$