Solve the all parts of given question:
Question: A fighter, traveling at 440 m/s fires a bullet at 440m/s fires a bullet at an angle 60 degrees from the perpendicular toward the front of the plane. The muzzle velocity of the bullet is 545 m/s.
Part A: What is the speed of the bullet relative to the ground?
Part B: At what angle to its intended path does the bullet travel relative to the ground?
I know the correct answer for above question but explain how to get this answer! Thanks.