PROBLEM 6: A bird is migrating non-stop a distance of 2000 km. Its destination is due south of its present position. In still air, the bird can fly with a speed of 40 km hr. However, there is a wind of 25 km hr from the west.

(a) In order to make the trip following a straight line path, in what direction should the bird head?
(b) How long will the trip take?

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