Homework Help: Physics...help please!

Posted by Cesar on Thursday, April 7, 2011 at 7:28pm.

Unlike a ship, an airplane does not use its rudder to turn. It turns by banking its wings: The lift force , perpendicular to the wings, has horizontal component, which provides the centripetal acceleration for the turn, and a vertical component, which supports the plane’s weight. (The rudder counteracts yaw and thus it keeps the plane pointed in the direction it is moving.) The famous spy plane, the SR-71 Blackbird, flying at 4,800 km/h,has a turning radius of 290. Km. Find its banking angle.

Physics...help please! - Cesar, Thursday, April 7, 2011 at 7:35pm
I think I got it... 32.0 degrees?
Physics...help please! - drwls, Thursday, April 7, 2011 at 8:36pm
V = 4800 km/h = 1333 m/s

Lift*cos A = M*g
Lift*sin A = M V^2/R

Tan A = V^2/(gR) = 0.6255
A = 32.0 degrees

You are correct. Congratulations!

Answer this Question

Related Questions

Physics - An airplane is flying with a constant speed of 275 m/s along a ...
Physics - An airplane is flying in a horizontal circle at a speed of 514.8 km/h...
physics - You are flying to Chicago for a weekend away from the books. In your ...
physics - You are flying to Chicago for a weekend away from the books. In your ...
Physics - The maximum lift force on a bat is proportional to the square of its ...
Physics - The maximum lift force on a bat is proportional to the square of its ...
PHYSICS HELP - The maximum lift force on a bat is proportional to the square of ...
physics - an airplane is flying in a horizontal circle at a speed of 430 km/h if...
Physics - An airplane has an effective wing surface area of 17 m2 that is ...
Aviation - Is the force needed to use automobile brakes the same as using an ...

For Further Reading

First Name:
School Subject:
Answer: