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Mathematics 13 Online
OpenStudy (anonymous):

A plane flying with a constant speed of 240 km/h passes over a ground radar station at an altitude of 2 km and climbs at an angle of 30°. At what rate is the distance from the plane to the radar station increasing a minute later? (Round your answer to the nearest whole number.)

OpenStudy (anonymous):

related rates, use derivative and implicit differentiation

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