?Angle of elevation A jet flies horizontally 500 ft directly above a spectator at an air
Chapter 7, Problem 222(choose chapter or problem)
Angle of elevation A jet flies horizontally 500 ft directly above a spectator at an air show at 450 mi/hr. Determine how quickly the angle of elevation (between the ground and the line from the spectator to the jet) is changing 2 s later.
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