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April 18, 2014

Homework Help: calculus

Posted by bill on Wednesday, November 12, 2008 at 8:07pm.

A plane is flying west at 500 ft/sec at an altitude of 4000 ft. The plane is tracked by a searchlight on the ground. If the light is to be trained on the plane, find the change in the angle of elevation of the searchlight at horizontal distance of 2000 ft.

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