College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 80

An airplane is flying at 150 mi/h (its speed in still ah) in a direction such that with a wind of 60.0 mi/h blowing from east to west, the airplane travels in a straight line southward. (a) What must be the plane's heading (direction) for it to fly directly south (b) If the plane has to go 200 mi in the southward direction, how long does it take