Velocity -- plane takeoff speed and distance

[APphysicsOR]

Homework Statement

A light plane must reach a speed of 33m/s for takeoff. How long a runway is needed if the (constant) acceleration is 3.0m/s^2.

Homework Equations

v^2=2*a*d

The Attempt at a Solution

v^2/(2*a)=d

 

[APphysicsOR]

Nevermind, I understand the problem.

 

[Doc Al]

The Attempt at a Solution

v^2/(2*a)=d

Looks good to me.