physics

posted by .

An airplane reaches a velocity of 71m/s^2 when it takes off. What must its acceleration be if the runway is 1.0km long

  • physics -

    Vf^2 = Vo^2 + 2a*d,
    a = (Vf^2-Vo^2) / 2d,
    a = ((71)^2-0) / 2000 = 2.52 m/s^2.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. phys

    An airplane must reach a speed of 185 mi/h to take off. If the runway is 500 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?
  2. Physics

    An airplane must reach a speed of 240.5 mi/h in order to take off. If the runway is 571.5 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?
  3. physics

    A 20000 kg airplane takes off by traveling 300 m down a runway while the engines exert a continuous force of 4000 N.(a) Calculate the change in kinetic energy of the airplane during takeoff.(b) Determine the speed of the airplane as …
  4. physics

    After landing, a jetliner on a straight runway taxis to a stop at an average velocity of -33.0km/h . If the plane takes 8.00s to come to rest, what are the plane’s initial velocity and acceleration?
  5. physics

    To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends on several factors, including the weight of the aircraft and the wind velocity. Part …
  6. Physics

    A jet plane has a takeoff speed of Vto=125km/h (34.72 m/s) and it's engines can power it to accelerate with an average acceleration of 5.6 m/s^2. A.) what length of runway will it need to take off safely?
  7. Physics

    An airplane requires 420 m of runway to take off from an airstrip. If the plane starts from rest and it takes 32 s to lift off, with what velocity does it leave the ground?
  8. physics

    An airplane requires 420 m of runway to take off from an airstrip. If the plane starts from rest and it takes 32 s to lift off, with what velocity does it leave the ground?
  9. Physics

    A small, single engine airplane is about to take off. The airplane becomes airborne, when its speed reaches 117.0 km/h. The conditions at the airport are ideal, there is no wind. When the engine is running at its full power, the acceleration …
  10. Science

    Starting from rest an airplane moves with a constant acceleration of 2m/s for 30 seconds before it takes off A. How far does it travel down the runway before it takes off ?

More Similar Questions