(Solved): 7. The angle of elevation is the angle formed by a horizontal line and a line joining the observer ...

7. The angle of elevation is the angle formed by a horizontal line and a line joining the observer's eye to an object above the horizontal line. A person is 100 feet way from the launch point of a hot air balloon. The hot air balloon is starting to come back down at a rate of 15 ft/sec. At what rate is the angle of elevation, 0, changing when the hot air balloon is 50 feet above the ground. Round answer to 3 decimal places. Person 8, Angle of Elevation 100 ft Balloon