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What will happen to the boundary layer when the angle of attack increases?
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Flexion and extension of the body?
flexion decreases in angle between articulating bones extension increases in angle between articulation bones
Why ray does not refract when it passes through optical centre?
It does. But when the ray arrives perpendicular to the boundary, the angle of incidence and the angle of refraction are both zero, so its direction doesn't change.
Why does the angle of deviation of a prism decreases first and then increases?
As the angle of incidence is increased, angle of deviation 'd' decreases and reaches minimum value. If the angle of incidence is further increased, the angle of deviation is increased. Let dm be the angle of minimum deviation. The refracted ray in the prism in that case will be parallel to the base.
What are the effects if you change the wing twist angle?
The wing twist angle is introduced to prevent stall from occurring at the wing tip before than the wing root. Usually wings are 'washout' twisted, resulting in a decreasing angle of attack starting from the root and towards the tip. Precisely, the twist angle is the angle between the zero-lift line of the profile in the current section and the zero-lift line of the root profile. As the twist angle increases along the span, the lower is the local angle of attack and the lower is the lift generated. By this we prevent the wing tip from generating as much lift as the wing root, which may cause the stall to occur at the worst place we'd like it to occur, the ailerons. By washout twist, we obtain to make stall occur at the wing root, without lost of ailerons control.
What are the 2 conditions when the direction does not change on refraction?
-- Light approaches the boundary between any two media along the normal direction. -- Light approaches the boundary at any angle and the indexes of refraction of both media are equal.
How is thrust related to the speed of an airplane?
As trust increases, speed increases. Providing the angle of attack, and the wind speed stay the same.
As the angle of incidence increases what does the angle of reflection do?
The angle of reflection increases also.
What happens to the bond angle as the number of bonds increases?
Increases
Does the sine of an angle decreases as the angle increases from 0 degrees to 90 degrees?
No. As the angle increases from zero to 90 degrees,its sine increases from zero to '1'.
What will happen if you put an object between two hinged mirrors and make the angle between them smaller?
The number of images increases
If the angle of incidence increases and the indexes of refraction stay the same what happens to the angle of refraction?
The angle if refraction also increases.
What is the angle of attack of a helicopter blade?
It varies for all blades collectively as you pull up or push down on the collective. and alternates from side-to-side and front-to back as you move the cyclic. If you move the cyclicto the right it decreases the angle of attack on the right side and increases the angle of attack on the left side. Since the right side loses lift and the left side gains lift the helicopter will bank and turn to the right.The angle of attack of all the blades at hover will be about zero.
When you increase the height of a ramp which increases the angle does the efficiency for kinetic energy increase of decrease?
The energy efficiency increases as the angle increases.
What is an angle attack?
The angle of attack is the angle that the kite flys into the air at. The angle depends on the wind seeded in the area you are flying the kite in.
What happens to light when it strikes the boundary of the two media an angle equal to the critical angle?
It gets refracted so that its direction of propagation is the boundary line.
What has the author Stephen P Wilkinson written?
Stephen P. Wilkinson has written: 'A review of hypersonic boundary layer stability experiments in a quiet Mach 6 wind tunnel' -- subject(s): Pressure gradients, Cooling, Boundary layer stability, Hypersonic boundary layer, Additives, Angle of attack
Does the relationship between the angle of incidence and the angle of reflection change as the angle of incidence increases?
no
