Physics
posted by Jesse on .
An aircraft has a liftoff speed of 120 km/hr. What minimum constant accelerationdoes this require if the aircraft is to be airborn after a takeoff run of 240 m?

change 120km/hr to m/s
V^2=2a*240 find a 
120 km/h = 33.3 m/s
V = sqrt(2aX) = 33.3 m/s
Solve for the acceleration, a.
X = 240 m.