a. 10 mi/hr headwind.

b. 10 mi/hr tailwind

c. 10mi/hr crosswind

d. 60mi/hr crosswind.

2) A motor boat traveling 4 m/s, east encounters a current traveling 3.0m/s, north. 1 cm=1 m/s.

a) What is the resultant velocity of the motor boat?

b) If the width of the river is 80 meters wide, then how much time does it take the boat to travel shore to shore?

c) What distance downstream does the boat reach the opposite shore?

3) A motor boat traveling 5 m/s, east encounters a current traveling 2.5m/s, south. 1cm= 1 m/s

a. What is the resultant velocity of the motor boat?

b. If the width of the river is 120 meters wide, then how much time does it take the boat to travel shore to shore?

c. What distance downstream does the boat reach the opposite shore?