A wild horse starts from rest and runs in a straight line 29°north of west. After 39 s of running in this direction, the horse has a speed of 13 m/s.
(a) What is the magnitude of the horse's average acceleration?
(b) Assuming that north and east are the positive directions, find the component of the horse's acceleration that points along the north-south line.
(c) Find the component of the horse's acceleration that pointsalong the east-west line.