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Mathematics 21 Online
OpenStudy (anonymous):

A balloon is released 8 feet away from an observer. The balloon is rising vertically at a rate of 3 ft/sec and at the same time the wind is carrying it horizontally away from the observer at a rate of 4 ft/sec. At what speed is the angle of inclination of the observer’s line of sight changing 3 seconds after the balloon is released?

OpenStudy (anonymous):

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