A wild horse starts from rest and runs in a straight line 29° north of west. After 36 s of running in this direction, the horse has a speed of 10 m/s.
a) What is the magnitude of the horse's average acceleration?
b) Assuming that north and east are the positive directions, discover the component of the horse's acceleration that points along the north-south line.
c) Discover the component of the horse's acceleration that points along the east-west line.