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Derivative of lift coefficient with respect to angle of atteck?
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Is angle of incidence always equal to angle of reflection?
Yes. Although it may not seem like it when the surface is curved, the angles are taken in respect to the "tangent" (derivative) to the curve.
What is the relationship between the angle of incidence and the angle of of refraction known as?
The COEFFICIENT of Refraction.
How do you find the vector components only given the magnitude and angle?
One component = (magnitude) times (cosine of the angle).Other component = (magnitude) times (sine of the angle).In order to decide which is which, we have to know the angle with respect to what.
What is the measure of the angle of rotation with respect to two lines that intersect to form a 25 degree angle?
50. It is always two times the rotation.
How do you find the angle of reflection off of a mirror?
The angle of reflection (θr) off a planar surface (eg. mirror) is equal to the angle of incidence (θi) on that surface. They are measured with respect to the normal, which is an imaginary line drawn perpendicular to the surface. Or, in simpler terms, the angle of reflection is the same as the angle of incidence.
What are the Trim conditions in aircraft?
An aircraft is at trim when it is flying under steady-state conditions (nothing is changing and the airplane is just zipping along).More specifically, trim conditions are when Clbeta (partial derivative of the roll moment coefficient with respect to beta [sideslip angle]), Cnbeta (partial derivative of the yaw moment coefficient with respect to beta [sideslip angle]) and Cmbeta (partial derivative of the pitch moment coefficient with respect to alpha [angle of attack]) are all equal to zero.
Is angle of incidence always equal to angle of reflection?
Yes. Although it may not seem like it when the surface is curved, the angles are taken in respect to the "tangent" (derivative) to the curve.
What is the relationship between the angle of incidence and the angle of of refraction known as?
The COEFFICIENT of Refraction.
What are the units of the coefficient of friction?
The coefficient of friction is a scalar quantity which has no direction which does not have an angle.
How can you find the coefficient of friction force only given mass and theta?
The coefficient of friction is the tangent of the angle theta where the angle is measured from horizontal when the mass first starts to slip
How can an adjustable inclined plane be used to measure the coefficient of static friction and coefficient of static friction with a mass of 5.0?
Incline the plane until breakaway is achieved and note the angle. > A) Sin angle * 5 = force down (and parallel to) the slope in kgf. > B) Cos angle * 5 = force (weight) of block normal to slope surface. > Static friction coefficient = A / B
Can an object move backward on an inclined plane?
Yes, if the incline angle becomes great enough. > As the angle increases, the force on the object down the incline increases but the effective weight on the slope surface decreases. > When the object breaks away the angle of incline can be used to calculate the coefficient of friction between the two surfaces. > coefficient of friction = sine ( incline angle ) / cosine ( incline angle )
What is the internal coefficient of friction for fertilizer?
It is the Emptying Angle of Repose that is greater than the Filling Angle of Repose. It is always the greater of the two Angles of Repose.
What is the maximum lift coefficient of NACA 2412?
Roughly 1.2 at an angle of 14 degrees (depends on Reynolds and mach numbers). Going over this angle will stall the profile.
How much lift will a wing generate?
A wing will generate lift according to the following equation: L = ½ A C ρ v² A = wing area C = lift coefficient ρ = air density v = air speed The lift coefficient C is a function of Angle of Attack (AOA), which is the angle between the wing's chord line and the relative wind. The greater the angle, the greater the lift coefficient up until the critical AOA where the wing begins to stall and lose lift. The lift coefficient is also a function of wing aspect ratio and will be specific to a certain airfoil shape.
What angle is Earth's axis tilted with respect to Earths orbit?
The season
How do you find the vector components only given the magnitude and angle?
One component = (magnitude) times (cosine of the angle).Other component = (magnitude) times (sine of the angle).In order to decide which is which, we have to know the angle with respect to what.
