Velocity -- plane takeoff speed and distance

In summary, the typical takeoff speed of a commercial airplane is around 150-180 miles per hour and is determined by factors such as weight, air density, and runway length. The relationship between takeoff speed and distance is directly proportional, and pilots use instruments and procedures to ensure the aircraft reaches the required speed. External factors such as weather and runway conditions can also affect takeoff speed.
  • #1
APphysicsOR
3
0

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
 
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  • #2
Nevermind, I understand the problem.
 
  • #3
APphysicsOR said:

The Attempt at a Solution


v^2/(2*a)=d
Looks good to me.
 

FAQ: Velocity -- plane takeoff speed and distance

1. What is the typical takeoff speed of a commercial airplane?

The typical takeoff speed of a commercial airplane can vary depending on the type of aircraft, weight, and runway conditions. However, on average, it is around 150-180 miles per hour.

2. How is the takeoff speed of an airplane determined?

The takeoff speed of an airplane is determined by several factors such as weight, air density, and runway length. The aircraft's weight affects the amount of lift generated by the wings, while air density and runway length determine the distance required for the aircraft to reach its takeoff speed.

3. What is the relationship between takeoff speed and distance?

The relationship between takeoff speed and distance is directly proportional. This means that as the takeoff speed increases, the distance required for the airplane to take off also increases. Similarly, if the takeoff speed decreases, the distance needed for takeoff decreases as well.

4. How do pilots ensure that the airplane reaches the required takeoff speed?

Pilots use several instruments on the aircraft, such as an airspeed indicator, to monitor the speed of the airplane during takeoff. They also follow specific procedures and use their training and experience to ensure that the aircraft reaches the required takeoff speed before lifting off the ground.

5. Can takeoff speed be affected by external factors?

Yes, external factors such as weather conditions, runway surface, and runway slope can affect the takeoff speed of an airplane. For example, a headwind can reduce the required takeoff speed, while a tailwind can increase it. Similarly, a wet or icy runway can increase the distance needed for takeoff.

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