A 20200 kg sailboat experiences an eastward

force 15700 N due to the tide pushing its hull

while the wind pushes the sails with a force of

77100 N directed toward the northwest (45◦

westward of North or 45◦ northward ofWest).

What is the direction of the boat’s accelera-

tion?

Answer in units of ◦ (N of West).