2. 1D Motion / Kinematics
Average Velocity
Problem 14
Textbook Question
Textbook Question(II) An airplane travels 1900 km at a speed of 720 km/h, and then encounters a tailwind that boosts its speed to 990 km/h for the next 2700 km. What was the total time for the trip? What was the average speed of the plane for this trip? [Hint: Does Eq. 2–12d apply?]
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