The displacement vector for a 15.0 second interval of a jet, Ask an Expert

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The displacement vector for a 15.0 second interval of a jet airplane's flight is (2150, -2430) m. (a) What is the magnitude of the average velocity? (b) At what angle, measured from the positive x axis, did the airplane fly during this time interval? Express the angle as a number between -180° and +180°

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