Relative Velocity in 2-D

 

 

 

1) The water in a river moves past a boat at 3.5 m/s 18 north of west. The water in the river moves past the shore at 2.4 m/s, due south. Find the velocity of the boat with respect to the shore.

 

 

 

 

 

 

 

 

 

 

 

 

 

2) An airplane flies at 162 m/s, due north, with respect to the ground. The air moves with respect to the ground at 46 m/s 21 west of north. What is the velocity of the plane with respect to the air?

 

 

 

 

 

 

 

 

 

 

 

 

 

3) Another airplane is moving at 190 m/s 35 west of north, with respect to the air. The air is moving at 65 m/s 18 north of east, with respect to the ground. Find the velocity of the airplane with respect to the ground.