Angola Air Force Academy Entrance Exam
Concurso de Admissão à Academia da Força Aérea Nacional (AFAN — FAA)
Matematica AeronauticaEnglish
Exam overviewPractice session
An aircraft flies along a straight trajectory given by the vector equation r(t) = (100 + 40t, 200 + 30t), where position is in kilometers and time t is in hours. What is the ground speed of the aircraft?
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