You are in a hot-air balloon that, relative to the ground, has a velocity of 7.94 m/s in a direction due east. You see a hawk moving directly away from the balloon in a direction due north.The speed ofthe hawk relative to you is 1.63 m/s. What are (a) the magnitude and (b) direction of the hawk's velocity relative to the ground? Express the directional angle relative to due east. he N a' Bi\" :'V