# Physics

an aeroplane taxis onto the runway going at 10m/s if it can accelerate steadily at 3m/s^2 and its take off speed is 90m/s what length of runway will it need?

1. 👍 0
2. 👎 0
3. 👁 215
1. v = 10+at
so use that to find the time
s = 10t + 1/2 at^2
so use that time to calculate the distance needed

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Calculus

A 727 jet needs to attain a speed of 200 mph to take off. If it can accelerate from 0 to 200 mph in 30 seconds, how long must the runway be? (Assume constant acceleration)

asked by HELP on December 8, 2011
2. ### math

From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees, respectively. The points and the

asked by Alan on August 21, 2011
3. ### Science

An engineer messed design a runway to accommodate airplanes that must reach a speed of 71 m/s before they can take off the planes are capable of accelerating at a rate of 1.6 m/s person per second the minimum length of the runway

asked by Laci on November 17, 2015
4. ### physics

an air craft has a takeoff velocity of 180km/h. what length of runway is needed? the accelaration of aircraft along the runway is 2.5 m/s^2

asked by anandik on May 24, 2017
5. ### Mathematics

An aeroplane x whose average speed is 500km lives kano air port at 7am and travels no a bearing of 50degree it then changes it course it an air strife on a bearing of 120degree to an airport A . another aeroplane Y lives kano and

asked by Mary Samuel on May 3, 2020
1. ### physics

A jumbo jet must reach a speed of 360 km/h on the runway for takeoff. What is the least constant acceleration needed for takeoff from a 1.80 km runway?

asked by mariah on September 3, 2009
2. ### Math

An aeroplane flies from town A(20°N,60°E) to townB (20°N,20°E) if the journey takes 6 hours Calculate correct to 3 significant figures, the average speed of the aeroplane If it then flies due north from town B to town C 420km

asked by Shajobi Kehinde on July 14, 2017
3. ### 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? B.) suppose it had an

asked by Michelle on February 8, 2014
4. ### Science

During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the speed brake, the parachute helps the shuttle come to a complete stop. How does the parachute help

asked by Connie on May 18, 2015
5. ### Science - physics

a jet airplane lands with a speed of 122 m/s and can accelerate uniformly at a max rate of - 6.2m/s2 as it comes to a rest. can this airplane land in 1.0 km runway

asked by Tina on August 30, 2015
6. ### science

An aeroplane has to go from a city A to another city B 500 km away in which B is north of A.The wind is blowing towards east at a speed of 20m/s.The air speed of aeroplane is 40 m/s.The direction in which the pilot should head the

asked by GELSEY on April 28, 2017