An airplane aiming directly north at 120 m/s. A wind from the west. The plane is tracking at 122 m/s relative to the ground. What is the wind velocity? Also, provide the direction of the plane in degrees east of north'. Show all work.​

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

Orange juice has a lower or higher viscosity than chocolate syrup

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance