An aeronautical engineer is designing the runway for an airport

Asked by admin @ in Physics viewed by 267 People

An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3m/s2. The takeoff speed for this plane will be 65m/s. assuming this minimum acceleration, what is the minimum allowed length for the runway

Answered by admin @


Vi = 0 m/s

vf = 65 m/s

a = 3 m/s2

d = ??
vf2 = vi2 + 2*a*d
(65 m/s)2 = (0 m/s)2 + 2*(3 m/s2)*d

4225 m2/s2 = (0 m/s)2 + (6 m/s2)*d

(4225 m2/s2)/(6 m/s2) = d

d = 704 m

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