An airplane flies due north at 100 m/s through with a wind blowing due south at 30m/s. Determine the resultant of the airplane.

+15-35=-20

going in opposite directions

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.