Question: The takeoff speed for an Airbus A320 jetliner is 80 m/s. Velocity data measured during takeoff are as shown. t (s) ___________ v x (m/s)

The takeoff speed for an Airbus A320 jetliner is 80 m/s. Velocity data measured during takeoff are as shown.

t (s) ___________ v_x (m/s)

0 …………………….. 0

10 ………………….. 23

20 ………………….. 46

30 ………………….. 69

a. Is the jetliner’s acceleration constant during takeoff? Explain.

b. At what time do the wheels leave the ground?

c. For safety reasons, in case of an aborted takeoff, the runway must be three times the takeoff distance. Can an A320 take off safely on a 2.5-mi-long runway?

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