Question

Why cant it be speed????

Answer 1

Answer:

Most planes use a long runway before takeoff to gain enough speed for the plane to lift up into the air. Most airplanes can take off only if they are moving fast enough. ... The runway is important for most airplanes because it gives them enough time to accelerate to the required speed to lift into the air. because upthrust helps to make weight light and which is helpful to fly

Explanation:

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