Back in Black

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Wing

A wing is a type of fin that produces lift, while moving through air or some other fluid. As such, wings have streamlined cross-sections that are subject to aerodynamic forces and act as an airfoils. A wing's aerodynamic efficiency is expressed as its lift-to-drag ratio. The lift a wing generates at a given speed and angle of attack can be one to two orders of magnitude greater than the total drag on the wing. A high lift-to-drag ratio requires a significantly smaller thrust to propel the wings through the air at sufficient lift. Lifting structures used in water, include various foils, including hydrofoils. Hydrodynamics is the governing science, rather than aerodynamics. Applications of underwater foils occur in hydroplanes, sailboats and submarines. more »

Year:

2006

5:24

9 Views

Playlists:

#2

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Back in black
I hit the sack
I've been too long I'm glad to be back
Yes, I'm let loose
From the noose
That's kept me hanging about
I've been looking at the sky
'Cause it's gettin' me high
Forget the hearse 'cause I never die
I got nine lives
Cat's eyes
Abusin' every one of them and running wild

'Cause I'm back
Yes, I'm back
Well, I'm back
Yes, I'm back
Well, I'm back, back
Well, I'm back in black
Yes, I'm back in black

Back in the back
Of a Cadillac
Number one with a bullet, I'm a power pack
Yes, I'm in a bang
With a gang
They've got to catch me if they want me to hang
'Cause I'm back on the track
And I'm beatin' the flack
Nobody's gonna get me on another rap
So look at me now
I'm just makin' my play
Don't try to push your luck, just get out of my way

'Cause I'm back
Yes, I'm back
Well, I'm back
Yes, I'm back
Well, I'm back, back
Well, I'm back in black
Yes, I'm back in black

Well, I'm back, yes I'm back
Well, I'm back, yes I'm back
Well, I'm back, back
Well I'm back in black
Yes I'm back in black

Ho yeah
Oh yeah
Yes I am
Oh yeah, yeah oh yeah
Back in now
Well I'm back, I'm back
Back, (I'm back)
Back, (I'm back)
Back, (I'm back)
Back, (I'm back)
Back
Back in black
Yes I'm back in black
Out of the sight

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