shujie UVM Physics 11-Fall 2018 qulz1 chap2 ) 6of8 Problem 2.61 Part C The takeo
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shujie UVM Physics 11-Fall 2018 qulz1 chap2 ) 6of8 Problem 2.61 Part C The takeoff speed for an Airbus A320 jetliner is 80 m/s. Velocity data measured during takeoff are as follows At what time do the wheels leave the ground? Express your answer in seconds v (m/s) 10 20 30 25 50 75 Submit Request Answer Part D For safety reasons, in case of an aborted takeoff, the length of the runway must be three times the takeoff distance. What is the minimum length runway this aircraft can use? Express your answer with the appropriate units. d-Value Units Submit Request Answer Provide Feedback Next >Explanation / Answer
C) Acceleration a = 75/30 = 2.5 m/s^2
Take off time tf = 80/2.5= 32s answer
D) distance = 0.5at^2 ×3 = 0.5*2.5*32^2 ×3 = 3840 m
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