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An airplane flying… - QuestionCove
OpenStudy (anonymous):

An airplane flying horizontally at an altitude of 6km and at a speed of 960km/h passes directly above an observer on the ground. How fast is the distance from the observer to the airplane increasing 30s later?

6 years ago
OpenStudy (anonymous):

|dw:1318825698026:dw| |dw:1318825801239:dw|

6 years ago
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