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OCW Scholar - Multivariable Calculus 82 Online
OpenStudy (anonymous):

Related rates An aircraft is 8 km above the ground and flying horizontally at a speed of 400 km/h. How far is the distance between the aircraft and the radio beacon increasing 3 minutes after the aircraft passes directly over the beacon? could someone please explain.

OpenStudy (anonymous):

sqrt(20^2+8^2)=sqrt(464)=21.5

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