Asked by Crow

A plane flies horizontally at constant ground speed v=720km/h. The pilot is informed by an air traffic controller that he must immediately change his direction of flight while keeping the same altitude. The pilot performs a turning maneuver by rolling the plane to a banked position. Then she increases the airspeed in Δv to keep the plane at constant altitude. As a result, the plane describes an arc of radius R=8km. Find the increase in airspeed Δv in km/h. Assume that the lift force is proportional to the square of the speed and that it is always perpendicular to the plane of the wings.
Answered by Pi
i know we're u got the question,I will tell the answer,if u tell me the answer to the helium question,

we should trade
Answered by Crow
it's about use the Ek = Ep

and V is using the root mean square velocity
Answered by Pi
no,I swear I will tell,for the helium answer
Answered by Crow
it's about 95.5
Answered by anonymous
Hey what's the answer to this question ?
Answered by Pi
as promised,56.4,we should help each other out,send me ur email
Answered by pi
btw,have u done the lattice point question,please tell
Answered by Crow
how you solve that
Answered by Pi
If it was going straight,it's weight would equal the lift force,since it is banked at an angle,the force will be split into components,

horizontal lift force equals Lsin=mv^2/r,the centripetal force hence describing a radius,

vertical component must equal the weight,lcostheta=mg,

then it is done,and please if u have done the lattice point question tell me,
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