On its takeoff roll, the airplane starts from rest and accelerates according to a = ao - kv² where ao is the constant acceleration resulting from the engine thrust and -kv² is the acceleration due to aerodynamic drag. If a = 2.8 m/s², k = 0.000043 m²¹, and vis in meters per second, determine the design length of runway required for the airplane to reach the takeoff speed of 244 km/h if the drag term is (a) excluded and (b) included. %0=0 Answers: v = 244 km/h (a) Excluding drag, s= i 0.8204 (a) Including drag, S= i 0.8828 E E

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On its takeoff roll, the airplane starts from rest and accelerates according to a = ao - kv² where ao is the constant acceleration resulting
from the engine thrust and -kv² is the acceleration due to aerodynamic drag. If ao = 2.8 m/s², k = 0.000043 m 1, and vis in meters per
second, determine the design length of runway required for the airplane to reach the takeoff speed of 244 km/h if the drag term is (a)
excluded and (b) included.
200
Answers:
v=244 km/h
(a) Excluding drag, S= i 0.8204
(a) Including drag, S= i
0.8828
m
m
Transcribed Image Text:X Incorrect On its takeoff roll, the airplane starts from rest and accelerates according to a = ao - kv² where ao is the constant acceleration resulting from the engine thrust and -kv² is the acceleration due to aerodynamic drag. If ao = 2.8 m/s², k = 0.000043 m 1, and vis in meters per second, determine the design length of runway required for the airplane to reach the takeoff speed of 244 km/h if the drag term is (a) excluded and (b) included. 200 Answers: v=244 km/h (a) Excluding drag, S= i 0.8204 (a) Including drag, S= i 0.8828 m m
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