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APphysicsOR
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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
Looks good to me.APphysicsOR said:The Attempt at a Solution
v^2/(2*a)=d
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.
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.
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.
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.
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.