SUBJECT: DIFFERENTIAL CALCULUS NOTE: Make the solution detailed and clear in a sheet of paper. 1. A jet plane is flying west at 5 feet per sec at an altitude of 4000 feet.  The plane is in vertical plane with a search light on the ground.  If the light is to be kept on the plane, how fast is the search light revolving (dƟ / dt  in radians per sec ) when the jet plane is due east of the search light at an airline distance of 2000 feet.

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