6. An airplane has an air speed of 250 km/h. The pilot wishes to fly to a destination that is 300 km N 50 E of the plane's present location. There is a 40 km/h wind from the southeast.

a). In what direction should the pilot fly in order to reach the destination?

b). How long will it take to reach the destination? Round to the nearest minute.

7. Sandra and her friend Maria live on opposite sides of the river that is 0.6 km wide. Maria lives 2 km downstream from Sandra on the opposite side of the river. Sandra can swim at a rate of 1 m/s, and the river's current has a speed of 2 m/s. Sandra swims from her cottage directly across the river.

What is Sandra's resultant velocity? Include a diagram.